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677227980 = 22351113174643
BaseRepresentation
bin101000010111011…
…010110111001100
31202012022202010210
4220113122313030
52341332243410
6151111202420
722532225412
oct5027326714
91665282123
10677227980
11318306450
1216a976410
13aa3c8320
1465d2b2b2
153e6c5220
hex285dadcc

677227980 has 192 divisors, whose sum is σ = 2359300608. Its totient is φ = 142602240.

The previous prime is 677227961. The next prime is 677228003. The reversal of 677227980 is 89722776.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 143539 + ... + 148181.

It is an arithmetic number, because the mean of its divisors is an integer number (12288024).

Almost surely, 2677227980 is an apocalyptic number.

677227980 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 677227980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1179650304).

677227980 is an abundant number, since it is smaller than the sum of its proper divisors (1682072628).

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

677227980 is a wasteful number, since it uses less digits than its factorization.

677227980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4696 (or 4694 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 48.

The square root of 677227980 is about 26023.6042853406. The cubic root of 677227980 is about 878.1693953146.

The spelling of 677227980 in words is "six hundred seventy-seven million, two hundred twenty-seven thousand, nine hundred eighty".