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632650613 = 7212911237
BaseRepresentation
bin100101101101010…
…111101101110101
31122002102222111012
4211231113231311
52243424304423
6142435522005
721451304300
oct4555275565
91562388435
10632650613
112a5129851
12157a59305
13a10bb19a
1460045b37
153a81c078
hex25b57b75

632650613 has 6 divisors (see below), whose sum is σ = 735940566. Its totient is φ = 542271912.

The previous prime is 632650591. The next prime is 632650621. The reversal of 632650613 is 316056236.

It can be written as a sum of positive squares in only one way, i.e., 393546244 + 239104369 = 19838^2 + 15463^2 .

It is not a de Polignac number, because 632650613 - 224 = 615873397 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 632650613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632650693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6455570 + ... + 6455667.

It is an arithmetic number, because the mean of its divisors is an integer number (122656761).

Almost surely, 2632650613 is an apocalyptic number.

It is an amenable number.

632650613 is a deficient number, since it is larger than the sum of its proper divisors (103289953).

632650613 is a wasteful number, since it uses less digits than its factorization.

632650613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12911251 (or 12911244 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 632650613 is about 25152.5468491761. The cubic root of 632650613 is about 858.4624650619.

The spelling of 632650613 in words is "six hundred thirty-two million, six hundred fifty thousand, six hundred thirteen".

Divisors: 1 7 49 12911237 90378659 632650613