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632705345 = 51088911621
BaseRepresentation
bin100101101101100…
…101000101000001
31122002112202120022
4211231211011001
52243433032340
6142441023225
721451622666
oct4555450501
91562482508
10632705345
112a5166988
12157a84b15
13a110a07c
146005ba6d
153a82d3b5
hex25b65141

632705345 has 8 divisors (see below), whose sum is σ = 759381480. Its totient is φ = 506074240.

The previous prime is 632705329. The next prime is 632705347. The reversal of 632705345 is 543507236.

It can be written as a sum of positive squares in 4 ways, for example, as 34951744 + 597753601 = 5912^2 + 24449^2 .

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

It is not a de Polignac number, because 632705345 - 24 = 632705329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (632705347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48635 + ... + 60255.

It is an arithmetic number, because the mean of its divisors is an integer number (94922685).

Almost surely, 2632705345 is an apocalyptic number.

It is an amenable number.

632705345 is a deficient number, since it is larger than the sum of its proper divisors (126676135).

632705345 is a wasteful number, since it uses less digits than its factorization.

632705345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22515.

The product of its (nonzero) digits is 75600, while the sum is 35.

The square root of 632705345 is about 25153.6348267999. The cubic root of 632705345 is about 858.4872201752.

The spelling of 632705345 in words is "six hundred thirty-two million, seven hundred five thousand, three hundred forty-five".

Divisors: 1 5 10889 11621 54445 58105 126541069 632705345