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424623020 = 225198313463
BaseRepresentation
bin11001010011110…
…011101110101100
31002121000002021112
4121103303232230
51332200414040
6110045051152
713344143663
oct3123635654
91077002245
10424623020
111a8763618
12ba256ab8
1369c83033
1440573dda
1527429365
hex194f3bac

424623020 has 48 divisors (see below), whose sum is σ = 950019840. Its totient is φ = 158959296.

The previous prime is 424623011. The next prime is 424623041. The reversal of 424623020 is 20326424.

It is a super-2 number, since 2×4246230202 = 360609418227840800, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24809 + ... + 38271.

It is an arithmetic number, because the mean of its divisors is an integer number (19792080).

Almost surely, 2424623020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424623020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (475009920).

424623020 is an abundant number, since it is smaller than the sum of its proper divisors (525396820).

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

424623020 is a wasteful number, since it uses less digits than its factorization.

424623020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13574 (or 13572 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 424623020 is about 20606.3829916849. The cubic root of 424623020 is about 751.6249332099.

Adding to 424623020 its reverse (20326424), we get a palindrome (444949444).

The spelling of 424623020 in words is "four hundred twenty-four million, six hundred twenty-three thousand, twenty".

Divisors: 1 2 4 5 10 19 20 38 76 83 95 166 190 332 380 415 830 1577 1660 3154 6308 7885 13463 15770 26926 31540 53852 67315 134630 255797 269260 511594 1023188 1117429 1278985 2234858 2557970 4469716 5115940 5587145 11174290 21231151 22348580 42462302 84924604 106155755 212311510 424623020