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630361157 = 19317104659
BaseRepresentation
bin100101100100101…
…000110001000101
31121221010122221112
4211210220301011
52242333024112
6142314454405
721422660426
oct4544506105
91557118845
10630361157
112a3905738
12157134405
13a079908a
145da0b64d
153a518a22
hex25928c45

630361157 has 8 divisors (see below), whose sum is σ = 665637600. Its totient is φ = 595294704.

The previous prime is 630361141. The next prime is 630361163. The reversal of 630361157 is 751163036.

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 630361157 - 24 = 630361141 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 (630361117) 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, 46307 + ... + 58352.

It is an arithmetic number, because the mean of its divisors is an integer number (83204700).

Almost surely, 2630361157 is an apocalyptic number.

It is an amenable number.

630361157 is a deficient number, since it is larger than the sum of its proper divisors (35276443).

630361157 is a wasteful number, since it uses less digits than its factorization.

630361157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104995.

The product of its (nonzero) digits is 11340, while the sum is 32.

The square root of 630361157 is about 25106.9941848880. The cubic root of 630361157 is about 857.4256697067.

The spelling of 630361157 in words is "six hundred thirty million, three hundred sixty-one thousand, one hundred fifty-seven".

Divisors: 1 19 317 6023 104659 1988521 33176903 630361157