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680035475 = 527259972
BaseRepresentation
bin101000100010001…
…000010010010011
31202101121101022002
4220202020102103
52343042113400
6151251304215
722565130500
oct5042102223
91671541262
10680035475
11319953799
1216b8ab06b
13aab6c172
146645c4a7
153ea7bed5
hex28888493

680035475 has 54 divisors (see below), whose sum is σ = 1007932140. Its totient is φ = 453680640.

The previous prime is 680035451. The next prime is 680035507. The reversal of 680035475 is 574530086.

It is not a de Polignac number, because 680035475 - 212 = 680031379 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 7010627 + ... + 7010723.

It is an arithmetic number, because the mean of its divisors is an integer number (18665410).

Almost surely, 2680035475 is an apocalyptic number.

680035475 is a deficient number, since it is larger than the sum of its proper divisors (327896665).

680035475 is an equidigital number, since it uses as much as digits as its factorization.

680035475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 277 (or 168 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 680035475 is about 26077.4898140139. The cubic root of 680035475 is about 879.3812260807.

The spelling of 680035475 in words is "six hundred eighty million, thirty-five thousand, four hundred seventy-five".

Divisors: 1 5 7 25 35 49 59 97 175 245 295 413 485 679 1225 1475 2065 2425 2891 3395 4753 5723 9409 10325 14455 16975 23765 28615 40061 47045 65863 72275 118825 143075 200305 235225 280427 329315 461041 555131 1001525 1402135 1646575 2305205 2775655 3885917 7010675 11526025 13878275 19429585 27201419 97147925 136007095 680035475