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676956280 = 2357112132953
BaseRepresentation
bin101000010110011…
…000100001111000
31202011210221102211
4220112120201320
52341300100110
6151101304504
722530014320
oct5026304170
91664727384
10676956280
11318140300
1216a865134
13aa331760
1465c9a280
153e66e98a
hex28598878

676956280 has 384 divisors, whose sum is σ = 2171836800. Its totient is φ = 184504320.

The previous prime is 676956239. The next prime is 676956281. The reversal of 676956280 is 82659676.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (676956281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12772734 + ... + 12772786.

It is an arithmetic number, because the mean of its divisors is an integer number (5655825).

Almost surely, 2676956280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 676956280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1085918400).

676956280 is an abundant number, since it is smaller than the sum of its proper divisors (1494880520).

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

676956280 is a wasteful number, since it uses less digits than its factorization.

676956280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135 (or 120 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 49.

The square root of 676956280 is about 26018.3835009018. The cubic root of 676956280 is about 878.0519407562.

The spelling of 676956280 in words is "six hundred seventy-six million, nine hundred fifty-six thousand, two hundred eighty".