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676909908 = 223218803053
BaseRepresentation
bin101000010110001…
…101001101010100
31202011201120211100
4220112031031110
52341242104113
6151100310100
722526432163
oct5026151524
91664646740
10676909908
11318109484
1216a842330
13aa31660c
1465c873da
153e660d73
hex2858d354

676909908 has 18 divisors (see below), whose sum is σ = 1711077914. Its totient is φ = 225636624.

The previous prime is 676909907. The next prime is 676909939. The reversal of 676909908 is 809909676.

It can be written as a sum of positive squares in only one way, i.e., 397284624 + 279625284 = 19932^2 + 16722^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676909907) 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 5 ways as a sum of consecutive naturals, for example, 9401491 + ... + 9401562.

Almost surely, 2676909908 is an apocalyptic number.

It is an amenable number.

676909908 is an abundant number, since it is smaller than the sum of its proper divisors (1034168006).

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

676909908 is a wasteful number, since it uses less digits than its factorization.

676909908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18803063 (or 18803058 counting only the distinct ones).

The product of its (nonzero) digits is 1469664, while the sum is 54.

The square root of 676909908 is about 26017.4923464964. The cubic root of 676909908 is about 878.0318912318.

The spelling of 676909908 in words is "six hundred seventy-six million, nine hundred nine thousand, nine hundred eight".

Divisors: 1 2 3 4 6 9 12 18 36 18803053 37606106 56409159 75212212 112818318 169227477 225636636 338454954 676909908