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676920960 = 273251731223
BaseRepresentation
bin101000010110001…
…111111010000000
31202011202010222200
4220112033322000
52341242432320
6151100433200
722526506332
oct5026177200
91664663880
10676920960
11318116811
1216a848800
13aa31b661
1465c8b452
153e664290
hex2858fe80

676920960 has 384 divisors, whose sum is σ = 2566287360. Its totient is φ = 163676160.

The previous prime is 676920953. The next prime is 676920967. The reversal of 676920960 is 69029676.

It is an interprime number because it is at equal distance from previous prime (676920953) and next prime (676920967).

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (676920967) 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 47 ways as a sum of consecutive naturals, for example, 3035409 + ... + 3035631.

It is an arithmetic number, because the mean of its divisors is an integer number (6683040).

Almost surely, 2676920960 is an apocalyptic number.

676920960 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676920960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1283143680).

676920960 is an abundant number, since it is smaller than the sum of its proper divisors (1889366400).

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

676920960 is a wasteful number, since it uses less digits than its factorization.

676920960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 45.

The square root of 676920960 is about 26017.7047411950. The cubic root of 676920960 is about 878.0366697878.

The spelling of 676920960 in words is "six hundred seventy-six million, nine hundred twenty thousand, nine hundred sixty".