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155322942 = 2325887157
BaseRepresentation
bin10010100001000…
…00101000111110
3101211021020000120
421100200220332
5304230313232
623225035410
73564136365
oct1120405076
9354236016
10155322942
117a748475
1244025b66
1326243988
14168b27dc
15d98192c
hex9420a3e

155322942 has 8 divisors (see below), whose sum is σ = 310645896. Its totient is φ = 51774312.

The previous prime is 155322941. The next prime is 155322949. The reversal of 155322942 is 249223551.

It is a sphenic number, since it is the product of 3 distinct primes.

155322942 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (155322941) 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 3 ways as a sum of consecutive naturals, for example, 12943573 + ... + 12943584.

It is an arithmetic number, because the mean of its divisors is an integer number (38830737).

Almost surely, 2155322942 is an apocalyptic number.

155322942 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

155322942 is a wasteful number, since it uses less digits than its factorization.

155322942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25887162.

The product of its digits is 21600, while the sum is 33.

The square root of 155322942 is about 12462.8625122802. The cubic root of 155322942 is about 537.5413396724.

The spelling of 155322942 in words is "one hundred fifty-five million, three hundred twenty-two thousand, nine hundred forty-two".

Divisors: 1 2 3 6 25887157 51774314 77661471 155322942