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677088660 = 223571158941
BaseRepresentation
bin101000010110111…
…000110110010100
31202012001200000210
4220112320312110
52341313314120
6151104205420
722531105263
oct5026706624
91665050023
10677088660
11318220806
1216a909870
13aa379aa1
1465cd25da
153e698ce0
hex285b8d94

677088660 has 48 divisors (see below), whose sum is σ = 1922562432. Its totient is φ = 178012800.

The previous prime is 677088653. The next prime is 677088677. The reversal of 677088660 is 66880776.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75211 + ... + 83730.

It is an arithmetic number, because the mean of its divisors is an integer number (40053384).

Almost surely, 2677088660 is an apocalyptic number.

677088660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

677088660 is an abundant number, since it is smaller than the sum of its proper divisors (1245473772).

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

677088660 is a wasteful number, since it uses less digits than its factorization.

677088660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159024 (or 159022 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 677088660 is about 26020.9273470413. The cubic root of 677088660 is about 878.1091718967.

The spelling of 677088660 in words is "six hundred seventy-seven million, eighty-eight thousand, six hundred sixty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71 142 213 284 355 426 710 852 1065 1420 2130 4260 158941 317882 476823 635764 794705 953646 1589410 1907292 2384115 3178820 4768230 9536460 11284811 22569622 33854433 45139244 56424055 67708866 112848110 135417732 169272165 225696220 338544330 677088660