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674980988 = 2211173972273
BaseRepresentation
bin101000001110110…
…110010001111100
31202001002120211212
4220032312101330
52340243342423
6150551103552
722504146413
oct5016662174
91661076755
10674980988
11317011230
1216a071bb8
13a9abc646
146590447a
153e3ce578
hex283b647c

674980988 has 48 divisors (see below), whose sum is σ = 1368438624. Its totient is φ = 287907840.

The previous prime is 674980963. The next prime is 674980993. The reversal of 674980988 is 889089476.

674980988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×6749809882 = 911198668322912288, which contains 22 as substring.

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, 295820 + ... + 298092.

It is an arithmetic number, because the mean of its divisors is an integer number (28509138).

Almost surely, 2674980988 is an apocalyptic number.

674980988 is a gapful number since it is divisible by the number (68) formed by its first and last digit.

It is an amenable number.

674980988 is an abundant number, since it is smaller than the sum of its proper divisors (693457636).

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

674980988 is a wasteful number, since it uses less digits than its factorization.

674980988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2702 (or 2700 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 59.

The square root of 674980988 is about 25980.3962248461. The cubic root of 674980988 is about 877.1970856198.

The spelling of 674980988 in words is "six hundred seventy-four million, nine hundred eighty thousand, nine hundred eighty-eight".

Divisors: 1 2 4 11 17 22 34 44 68 187 374 397 748 794 1588 2273 4367 4546 6749 8734 9092 13498 17468 25003 26996 38641 50006 74239 77282 100012 148478 154564 296956 425051 850102 902381 1700204 1804762 3609524 9926191 15340477 19852382 30680954 39704764 61361908 168745247 337490494 674980988