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680510441 = 13219211931
BaseRepresentation
bin101000100011111…
…100001111101001
31202102111111211102
4220203330033221
52343202313231
6151305411145
722602146312
oct5043741751
91672444742
10680510441
1131a148626
1216ba99ab5
13aaca7400
1466543609
153eb22acb
hex288fc3e9

680510441 has 12 divisors (see below), whose sum is σ = 775671120. Its totient is φ = 595099440.

The previous prime is 680510431. The next prime is 680510483. The reversal of 680510441 is 144015086.

It is not a de Polignac number, because 680510441 - 214 = 680494057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (680510431) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 102755 + ... + 109176.

It is an arithmetic number, because the mean of its divisors is an integer number (64639260).

Almost surely, 2680510441 is an apocalyptic number.

It is an amenable number.

680510441 is a deficient number, since it is larger than the sum of its proper divisors (95160679).

680510441 is a wasteful number, since it uses less digits than its factorization.

680510441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211976 (or 211963 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 29.

The square root of 680510441 is about 26086.5950441985. The cubic root of 680510441 is about 879.5859109810.

The spelling of 680510441 in words is "six hundred eighty million, five hundred ten thousand, four hundred forty-one".

Divisors: 1 13 19 169 247 3211 211931 2755103 4026689 35816339 52346957 680510441