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155041434 = 23213961967
BaseRepresentation
bin10010011110110…
…11111010011010
3101210201220212100
421033123322122
5304142311214
623215024230
73561554562
oct1117337232
9353656770
10155041434
117a575a19
1243b0b076
13261757c2
141683bda2
15d928309
hex93dbe9a

155041434 has 24 divisors (see below), whose sum is σ = 338345280. Its totient is φ = 51307848.

The previous prime is 155041423. The next prime is 155041441. The reversal of 155041434 is 434140551.

It is a happy number.

155041434 is a `hidden beast` number, since 15 + 504 + 143 + 4 = 666.

155041434 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 155041398 and 155041407.

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 11 ways as a sum of consecutive naturals, for example, 28482 + ... + 33485.

It is an arithmetic number, because the mean of its divisors is an integer number (14097720).

Almost surely, 2155041434 is an apocalyptic number.

155041434 is an abundant number, since it is smaller than the sum of its proper divisors (183303846).

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

155041434 is a wasteful number, since it uses less digits than its factorization.

155041434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62114 (or 62111 counting only the distinct ones).

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

The square root of 155041434 is about 12451.5635162818. The cubic root of 155041434 is about 537.2163958346.

Adding to 155041434 its reverse (434140551), we get a palindrome (589181985).

The spelling of 155041434 in words is "one hundred fifty-five million, forty-one thousand, four hundred thirty-four".

Divisors: 1 2 3 6 9 18 139 278 417 834 1251 2502 61967 123934 185901 371802 557703 1115406 8613413 17226826 25840239 51680478 77520717 155041434