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623676704 = 2572397753
BaseRepresentation
bin100101001011001…
…000110100100000
31121110120001121012
4211023020310200
52234130123304
6141515320052
721312110300
oct4513106440
91543501535
10623676704
112a005a5a2
12154a50028
139c298691
145cb8b600
1539b4816e
hex252c8d20

623676704 has 36 divisors (see below), whose sum is σ = 1428334614. Its totient is φ = 267289344.

The previous prime is 623676701. The next prime is 623676727. The reversal of 623676704 is 407676326.

It can be written as a sum of positive squares in only one way, i.e., 378691600 + 244985104 = 19460^2 + 15652^2 .

It is a super-2 number, since 2×6236767042 = 777945262224607232, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (623676701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 197309 + ... + 200444.

Almost surely, 2623676704 is an apocalyptic number.

It is an amenable number.

623676704 is an abundant number, since it is smaller than the sum of its proper divisors (804657910).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

623676704 is a wasteful number, since it uses less digits than its factorization.

623676704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397777 (or 397762 counting only the distinct ones).

The product of its (nonzero) digits is 254016, while the sum is 41.

The square root of 623676704 is about 24973.5200562516. The cubic root of 623676704 is about 854.3841324841.

The spelling of 623676704 in words is "six hundred twenty-three million, six hundred seventy-six thousand, seven hundred four".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 784 1568 397753 795506 1591012 2784271 3182024 5568542 6364048 11137084 12728096 19489897 22274168 38979794 44548336 77959588 89096672 155919176 311838352 623676704