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632483131 = 7212907819
BaseRepresentation
bin100101101100101…
…110110100111011
31122002010110202011
4211230232310323
52243403430011
6142432150351
721450006100
oct4554566473
91562113664
10632483131
112a5024a35
121579983b7
13a105cb97
1460000aa7
153a7d7621
hex25b2ed3b

632483131 has 6 divisors (see below), whose sum is σ = 735745740. Its totient is φ = 542128356.

The previous prime is 632483129. The next prime is 632483167. The reversal of 632483131 is 131384236.

It is not a de Polignac number, because 632483131 - 21 = 632483129 is a prime.

It is a super-2 number, since 2×6324831312 = 800069821999126322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632483093 and 632483102.

It is not an unprimeable number, because it can be changed into a prime (632483171) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6453861 + ... + 6453958.

It is an arithmetic number, because the mean of its divisors is an integer number (122624290).

Almost surely, 2632483131 is an apocalyptic number.

632483131 is a deficient number, since it is larger than the sum of its proper divisors (103262609).

632483131 is a wasteful number, since it uses less digits than its factorization.

632483131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12907833 (or 12907826 counting only the distinct ones).

The product of its digits is 10368, while the sum is 31.

The square root of 632483131 is about 25149.2173039242. The cubic root of 632483131 is about 858.3867046043.

The spelling of 632483131 in words is "six hundred thirty-two million, four hundred eighty-three thousand, one hundred thirty-one".

Divisors: 1 7 49 12907819 90354733 632483131