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632042816 = 269875669
BaseRepresentation
bin100101101011000…
…011010101000000
31122001022002202012
4211223003111000
52243300332231
6142414512052
721443163266
oct4553032500
91561262665
10632042816
112a4854139
12157805628
13a0c37642
145dd28436
153a74be2b
hex25ac3540

632042816 has 14 divisors (see below), whose sum is σ = 1254210090. Its totient is φ = 316021376.

The previous prime is 632042773. The next prime is 632042819. The reversal of 632042816 is 618240236.

It can be written as a sum of positive squares in only one way, i.e., 620209216 + 11833600 = 24904^2 + 3440^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632042819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4937771 + ... + 4937898.

It is an arithmetic number, because the mean of its divisors is an integer number (89586435).

Almost surely, 2632042816 is an apocalyptic number.

It is an amenable number.

632042816 is a deficient number, since it is larger than the sum of its proper divisors (622167274).

632042816 is an equidigital number, since it uses as much as digits as its factorization.

632042816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9875681 (or 9875671 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 632042816 is about 25140.4617300478. The cubic root of 632042816 is about 858.1874643583.

The spelling of 632042816 in words is "six hundred thirty-two million, forty-two thousand, eight hundred sixteen".

Divisors: 1 2 4 8 16 32 64 9875669 19751338 39502676 79005352 158010704 316021408 632042816