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155641036 = 2242179227
BaseRepresentation
bin10010100011011…
…10010011001100
3101211212101100211
421101232103030
5304321003121
623235532204
73566632645
oct1121562314
9354771324
10155641036
117a945461
124415a064
13263256b5
14169566cc
15d9e5ce1
hex946e4cc

155641036 has 12 divisors (see below), whose sum is σ = 272465928. Its totient is φ = 77793632.

The previous prime is 155641009. The next prime is 155641051. The reversal of 155641036 is 630146551.

It is a junction number, because it is equal to n+sod(n) for n = 155640989 and 155641007.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12255 + ... + 21481.

It is an arithmetic number, because the mean of its divisors is an integer number (22705494).

Almost surely, 2155641036 is an apocalyptic number.

It is an amenable number.

155641036 is a deficient number, since it is larger than the sum of its proper divisors (116824892).

155641036 is a wasteful number, since it uses less digits than its factorization.

155641036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13448 (or 13446 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 155641036 is about 12475.6176600600. The cubic root of 155641036 is about 537.9080424912.

Adding to 155641036 its reverse (630146551), we get a palindrome (785787587).

The spelling of 155641036 in words is "one hundred fifty-five million, six hundred forty-one thousand, thirty-six".

Divisors: 1 2 4 4217 8434 9227 16868 18454 36908 38910259 77820518 155641036