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677364992 = 287183449
BaseRepresentation
bin101000010111111…
…100010100000000
31202012120201002022
4220113330110000
52341401134432
6151114141012
722533336023
oct5027742400
91665521068
10677364992
1131839a387
1216aa21768
13aa4457b5
1465d651ba
153e700b12
hex285fc500

677364992 has 72 divisors (see below), whose sum is σ = 1390737600. Its totient is φ = 329154560.

The previous prime is 677364979. The next prime is 677365009. The reversal of 677364992 is 299463776.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1508384 + ... + 1508832.

It is an arithmetic number, because the mean of its divisors is an integer number (19315800).

Almost surely, 2677364992 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 677364992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695368800).

677364992 is an abundant number, since it is smaller than the sum of its proper divisors (713372608).

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

677364992 is an equidigital number, since it uses as much as digits as its factorization.

677364992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619 (or 605 counting only the distinct ones).

The product of its digits is 3429216, while the sum is 53.

The square root of 677364992 is about 26026.2366084688. The cubic root of 677364992 is about 878.2286130057.

The spelling of 677364992 in words is "six hundred seventy-seven million, three hundred sixty-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 64 71 83 128 142 166 256 284 332 449 568 664 898 1136 1328 1796 2272 2656 3592 4544 5312 5893 7184 9088 10624 11786 14368 18176 21248 23572 28736 31879 37267 47144 57472 63758 74534 94288 114944 127516 149068 188576 255032 298136 377152 510064 596272 754304 1020128 1192544 1508608 2040256 2385088 2645957 4080512 4770176 5291914 8161024 9540352 10583828 21167656 42335312 84670624 169341248 338682496 677364992