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4155426 = 2321131677
BaseRepresentation
bin1111110110100000100010
321211010011200
433312200202
52030433201
6225022030
750214642
oct17664042
97733150
104155426
112389040
121484916
13b26542
147a2522
15571386
hex3f6822

4155426 has 48 divisors (see below), whose sum is σ = 10153728. Its totient is φ = 1216800.

The previous prime is 4155419. The next prime is 4155427. The reversal of 4155426 is 6245514.

4155426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 4155426.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4155427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5800 + ... + 6476.

It is an arithmetic number, because the mean of its divisors is an integer number (211536).

Almost surely, 24155426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4155426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5076864).

4155426 is an abundant number, since it is smaller than the sum of its proper divisors (5998302).

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

4155426 is a wasteful number, since it uses less digits than its factorization.

4155426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727 (or 724 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 4155426 is about 2038.4862030438. The cubic root of 4155426 is about 160.7700638561.

The spelling of 4155426 in words is "four million, one hundred fifty-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 31 33 62 66 93 99 186 198 279 341 558 677 682 1023 1354 2031 2046 3069 4062 6093 6138 7447 12186 14894 20987 22341 41974 44682 62961 67023 125922 134046 188883 230857 377766 461714 692571 1385142 2077713 4155426