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157160001 = 3192757193
BaseRepresentation
bin10010101111000…
…01001001000001
3101221201112222210
421113201021001
5310213110001
623332252333
73615560265
oct1127411101
9357645883
10157160001
11807926a9
12447710a9
1326737bab
1416c300a5
15dbe5dd6
hex95e1241

157160001 has 8 divisors (see below), whose sum is σ = 220575520. Its totient is φ = 99258912.

The previous prime is 157159997. The next prime is 157160023. The reversal of 157160001 is 100061751.

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

It is not a de Polignac number, because 157160001 - 22 = 157159997 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 157160001.

It is not an unprimeable number, because it can be changed into a prime (157160401) 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 7 ways as a sum of consecutive naturals, for example, 1378540 + ... + 1378653.

It is an arithmetic number, because the mean of its divisors is an integer number (27571940).

Almost surely, 2157160001 is an apocalyptic number.

It is an amenable number.

157160001 is a deficient number, since it is larger than the sum of its proper divisors (63415519).

157160001 is a wasteful number, since it uses less digits than its factorization.

157160001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2757215.

The product of its (nonzero) digits is 210, while the sum is 21.

The square root of 157160001 is about 12536.3471952559. The cubic root of 157160001 is about 539.6522692696.

The spelling of 157160001 in words is "one hundred fifty-seven million, one hundred sixty thousand, one".

Divisors: 1 3 19 57 2757193 8271579 52386667 157160001