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631057163 = 11371550509
BaseRepresentation
bin100101100111010…
…010101100001011
31121222110000200112
4211213102230023
52243022312123
6142341424535
721431616542
oct4547225413
91558400615
10631057163
112a4240650
1215740b14b
13a0980b09
145db4d159
153a604d78
hex259d2b0b

631057163 has 8 divisors (see below), whose sum is σ = 707032560. Its totient is φ = 558182880.

The previous prime is 631057151. The next prime is 631057169. The reversal of 631057163 is 361750136.

631057163 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 631057163 - 26 = 631057099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (631057169) 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, 774848 + ... + 775661.

It is an arithmetic number, because the mean of its divisors is an integer number (88379070).

Almost surely, 2631057163 is an apocalyptic number.

631057163 is a deficient number, since it is larger than the sum of its proper divisors (75975397).

631057163 is a wasteful number, since it uses less digits than its factorization.

631057163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550557.

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

The square root of 631057163 is about 25120.8511599428. The cubic root of 631057163 is about 857.7411258536.

The spelling of 631057163 in words is "six hundred thirty-one million, fifty-seven thousand, one hundred sixty-three".

Divisors: 1 11 37 407 1550509 17055599 57368833 631057163