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157325109 = 371972937
BaseRepresentation
bin10010110000010…
…01011100110101
3101222000221110220
421120021130311
5310233400414
623340004553
73620145534
oct1130113465
9358027426
10157325109
1180895757
1244830759
13267950a6
1416c7431b
15dc29ca9
hex9609735

157325109 has 8 divisors (see below), whose sum is σ = 210061440. Its totient is φ = 104736096.

The previous prime is 157325107. The next prime is 157325131. The reversal of 157325109 is 901523751.

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

It is not a de Polignac number, because 157325109 - 21 = 157325107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 157325109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157325107) 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 7 ways as a sum of consecutive naturals, for example, 34312 + ... + 38625.

It is an arithmetic number, because the mean of its divisors is an integer number (26257680).

Almost surely, 2157325109 is an apocalyptic number.

It is an amenable number.

157325109 is a deficient number, since it is larger than the sum of its proper divisors (52736331).

157325109 is an equidigital number, since it uses as much as digits as its factorization.

157325109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73659.

The product of its (nonzero) digits is 9450, while the sum is 33.

The square root of 157325109 is about 12542.9306384114. The cubic root of 157325109 is about 539.8411844350.

The spelling of 157325109 in words is "one hundred fifty-seven million, three hundred twenty-five thousand, one hundred nine".

Divisors: 1 3 719 2157 72937 218811 52441703 157325109