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676400988 = 2231929102299
BaseRepresentation
bin101000010100010…
…000111101011100
31202010202201201110
4220110100331130
52341124312423
6151041342020
722522212354
oct5024207534
91663681643
10676400988
113178a108a
1216a637910
13aa198a93
1465b93b64
153e5b0193
hex28510f5c

676400988 has 48 divisors (see below), whose sum is σ = 1718640000. Its totient is φ = 206232768.

The previous prime is 676400929. The next prime is 676401029. The reversal of 676400988 is 889004676.

It is a super-2 number, since 2×6764009882 = 915036593134752288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 44538 + ... + 57761.

It is an arithmetic number, because the mean of its divisors is an integer number (35805000).

Almost surely, 2676400988 is an apocalyptic number.

It is an amenable number.

676400988 is an abundant number, since it is smaller than the sum of its proper divisors (1042239012).

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

676400988 is a wasteful number, since it uses less digits than its factorization.

676400988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102354 (or 102352 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 48.

The square root of 676400988 is about 26007.7101644878. The cubic root of 676400988 is about 877.8117930002.

The spelling of 676400988 in words is "six hundred seventy-six million, four hundred thousand, nine hundred eighty-eight".

Divisors: 1 2 3 4 6 12 19 29 38 57 58 76 87 114 116 174 228 348 551 1102 1653 2204 3306 6612 102299 204598 306897 409196 613794 1227588 1943681 2966671 3887362 5831043 5933342 7774724 8900013 11662086 11866684 17800026 23324172 35600052 56366749 112733498 169100247 225466996 338200494 676400988