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680079164 = 221312116151
BaseRepresentation
bin101000100010010…
…010111100111100
31202101200121020012
4220202102330330
52343100013124
6151252242352
722565402042
oct5042227474
91671617205
10680079164
113199835a6
1216b9103b8
13aab8600b
1466470392
153ea89e0e
hex28892f3c

680079164 has 24 divisors (see below), whose sum is σ = 1205102976. Its totient is φ = 335790000.

The previous prime is 680079161. The next prime is 680079167. The reversal of 680079164 is 461970086.

It is an interprime number because it is at equal distance from previous prime (680079161) and next prime (680079167).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680079161) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107489 + ... + 113639.

It is an arithmetic number, because the mean of its divisors is an integer number (50212624).

Almost surely, 2680079164 is an apocalyptic number.

It is an amenable number.

680079164 is a deficient number, since it is larger than the sum of its proper divisors (525023812).

680079164 is a wasteful number, since it uses less digits than its factorization.

680079164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6497 (or 6495 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 680079164 is about 26078.3274770450. The cubic root of 680079164 is about 879.4000576785.

The spelling of 680079164 in words is "six hundred eighty million, seventy-nine thousand, one hundred sixty-four".

Divisors: 1 2 4 131 211 262 422 524 844 6151 12302 24604 27641 55282 110564 805781 1297861 1611562 2595722 3223124 5191444 170019791 340039582 680079164