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158630401 = 712817951
BaseRepresentation
bin10010111010010…
…00001000000001
3102001111021000001
421131020020001
5311102133101
623424000001
73634223206
oct1135101001
9361437001
10158630401
11815a7406
1245160001
1326b31257
14170d3cad
15ddd6901
hex9748201

158630401 has 8 divisors (see below), whose sum is σ = 161457408. Its totient is φ = 155820000.

The previous prime is 158630399. The next prime is 158630413. The reversal of 158630401 is 104036851.

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

It is a cyclic number.

It is not a de Polignac number, because 158630401 - 21 = 158630399 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 158630401.

It is not an unprimeable number, because it can be changed into a prime (158630201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15976 + ... + 23926.

It is an arithmetic number, because the mean of its divisors is an integer number (20182176).

Almost surely, 2158630401 is an apocalyptic number.

It is an amenable number.

158630401 is a deficient number, since it is larger than the sum of its proper divisors (2827007).

158630401 is an equidigital number, since it uses as much as digits as its factorization.

158630401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8303.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 158630401 is about 12594.8561325646. The cubic root of 158630401 is about 541.3300557713.

The spelling of 158630401 in words is "one hundred fifty-eight million, six hundred thirty thousand, four hundred one".

Divisors: 1 71 281 7951 19951 564521 2234231 158630401