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157075329 = 352358443
BaseRepresentation
bin10010101110011…
…00011110000001
3101221120020211210
421113030132001
5310202402304
623330400333
73615055365
oct1127143601
9357506753
10157075329
1180735024
12447300a9
13267084a8
1416c0b2a5
15dbcac89
hex95cc781

157075329 has 4 divisors (see below), whose sum is σ = 209433776. Its totient is φ = 104716884.

The previous prime is 157075327. The next prime is 157075351. The reversal of 157075329 is 923570751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 157075329 - 21 = 157075327 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157075327) by changing a digit.

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, 26179219 + ... + 26179224.

It is an arithmetic number, because the mean of its divisors is an integer number (52358444).

Almost surely, 2157075329 is an apocalyptic number.

It is an amenable number.

157075329 is a deficient number, since it is larger than the sum of its proper divisors (52358447).

157075329 is an equidigital number, since it uses as much as digits as its factorization.

157075329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52358446.

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 157075329 is about 12532.9696800080. The cubic root of 157075329 is about 539.5553369605. Note that the first 3 decimals are identical.

The spelling of 157075329 in words is "one hundred fifty-seven million, seventy-five thousand, three hundred twenty-nine".

Divisors: 1 3 52358443 157075329