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152541424 = 2471997739
BaseRepresentation
bin10010001011110…
…01100011110000
3101122000220111101
421011321203300
5303022311144
623045254144
73531403120
oct1105714360
9348026441
10152541424
11791186a2
1243104354
13257ab8c9
141638ac80
15d5d26d4
hex91798f0

152541424 has 80 divisors (see below), whose sum is σ = 359699200. Its totient is φ = 61212672.

The previous prime is 152541413. The next prime is 152541427. The reversal of 152541424 is 424145251.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 152541392 and 152541401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (152541427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 206047 + ... + 206785.

It is an arithmetic number, because the mean of its divisors is an integer number (4496240).

Almost surely, 2152541424 is an apocalyptic number.

152541424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 152541424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179849600).

152541424 is an abundant number, since it is smaller than the sum of its proper divisors (207157776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

152541424 is a wasteful number, since it uses less digits than its factorization.

152541424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 864 counting only the distinct ones).

The product of its digits is 6400, while the sum is 28.

The square root of 152541424 is about 12350.7661300828. The cubic root of 152541424 is about 534.3132353131.

Adding to 152541424 its reverse (424145251), we get a palindrome (576686675).

The spelling of 152541424 in words is "one hundred fifty-two million, five hundred forty-one thousand, four hundred twenty-four".

Divisors: 1 2 4 7 8 14 16 19 28 38 56 76 97 112 133 152 194 266 304 388 532 679 739 776 1064 1358 1478 1552 1843 2128 2716 2956 3686 5173 5432 5912 7372 10346 10864 11824 12901 14041 14744 20692 25802 28082 29488 41384 51604 56164 71683 82768 98287 103208 112328 143366 196574 206416 224656 286732 393148 501781 573464 786296 1003562 1146928 1361977 1572592 2007124 2723954 4014248 5447908 8028496 9533839 10895816 19067678 21791632 38135356 76270712 152541424