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157629029 = 325748397
BaseRepresentation
bin10010110010100…
…11101001100101
3101222121101101012
421121103221211
5310323112104
623350312005
73622552565
oct1131235145
9358541335
10157629029
1180a83028
1244958605
132687051c
1416d12da5
15dc89d6e
hex9653a65

157629029 has 4 divisors (see below), whose sum is σ = 157680684. Its totient is φ = 157577376.

The previous prime is 157628993. The next prime is 157629041. The reversal of 157629029 is 920926751.

157629029 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 130484929 + 27144100 = 11423^2 + 5210^2 .

It is a cyclic number.

It is not a de Polignac number, because 157629029 - 28 = 157628773 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157629929) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20942 + ... + 27455.

It is an arithmetic number, because the mean of its divisors is an integer number (39420171).

Almost surely, 2157629029 is an apocalyptic number.

It is an amenable number.

157629029 is a deficient number, since it is larger than the sum of its proper divisors (51655).

157629029 is an equidigital number, since it uses as much as digits as its factorization.

157629029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51654.

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 157629029 is about 12555.0399840064. The cubic root of 157629029 is about 540.1885818256.

The spelling of 157629029 in words is "one hundred fifty-seven million, six hundred twenty-nine thousand, twenty-nine".

Divisors: 1 3257 48397 157629029