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764120404 = 22613131641
BaseRepresentation
bin101101100010111…
…000110101010100
31222020211100010201
4231202320311110
53031103323104
6203453430244
724635626165
oct5542706524
91866740121
10764120404
11362364a73
12193a9b384
13c23cc968
14736a976c
154713b0a4
hex2d8b8d54

764120404 has 12 divisors (see below), whose sum is σ = 1359132628. Its totient is φ = 375796800.

The previous prime is 764120393. The next prime is 764120431. The reversal of 764120404 is 404021467.

764120404 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12264004 + 751856400 = 3502^2 + 27420^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1565577 + ... + 1566064.

Almost surely, 2764120404 is an apocalyptic number.

It is an amenable number.

764120404 is a deficient number, since it is larger than the sum of its proper divisors (595012224).

764120404 is a wasteful number, since it uses less digits than its factorization.

764120404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3131706 (or 3131704 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 28.

The square root of 764120404 is about 27642.7278682839. The cubic root of 764120404 is about 914.2267663027.

The spelling of 764120404 in words is "seven hundred sixty-four million, one hundred twenty thousand, four hundred four".

Divisors: 1 2 4 61 122 244 3131641 6263282 12526564 191030101 382060202 764120404