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680154486 = 231110305371
BaseRepresentation
bin101000100010100…
…101010101110110
31202101211102112220
4220202211111312
52343104420421
6151254023210
722566134454
oct5042452566
91671742486
10680154486
11319a25150
1216b947b06
13aabb139b
146648d9d4
153eaa23c6
hex288a5576

680154486 has 16 divisors (see below), whose sum is σ = 1483973568. Its totient is φ = 206107400.

The previous prime is 680154473. The next prime is 680154499. The reversal of 680154486 is 684451086.

It is an interprime number because it is at equal distance from previous prime (680154473) and next prime (680154499).

It is a super-2 number, since 2×6801544862 = 925220249651848392, 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 7 ways as a sum of consecutive naturals, for example, 5152620 + ... + 5152751.

It is an arithmetic number, because the mean of its divisors is an integer number (92748348).

Almost surely, 2680154486 is an apocalyptic number.

680154486 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

680154486 is an abundant number, since it is smaller than the sum of its proper divisors (803819082).

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

680154486 is a wasteful number, since it uses less digits than its factorization.

680154486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10305387.

The product of its (nonzero) digits is 184320, while the sum is 42.

The square root of 680154486 is about 26079.7715864231. The cubic root of 680154486 is about 879.4325223921.

The spelling of 680154486 in words is "six hundred eighty million, one hundred fifty-four thousand, four hundred eighty-six".

Divisors: 1 2 3 6 11 22 33 66 10305371 20610742 30916113 61832226 113359081 226718162 340077243 680154486