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68676025 = 5211416091
BaseRepresentation
bin1000001011111…
…10100110111001
311210020002210111
410011332212321
5120040113100
610451544321
71462510435
oct405764671
9153202714
1068676025
1135847350
121abbb0a1
13112c7002
1491999c5
1560686ba
hex417e9b9

68676025 has 24 divisors (see below), whose sum is σ = 95181408. Its totient is φ = 48720000.

The previous prime is 68676019. The next prime is 68676053. The reversal of 68676025 is 52067686.

It is not a de Polignac number, because 68676025 - 23 = 68676017 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8230 + ... + 14320.

It is an arithmetic number, because the mean of its divisors is an integer number (3965892).

Almost surely, 268676025 is an apocalyptic number.

It is an amenable number.

68676025 is a deficient number, since it is larger than the sum of its proper divisors (26505383).

68676025 is a wasteful number, since it uses less digits than its factorization.

68676025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6153 (or 6148 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 68676025 is about 8287.0999149280. The cubic root of 68676025 is about 409.5136509548.

The spelling of 68676025 in words is "sixty-eight million, six hundred seventy-six thousand, twenty-five".

Divisors: 1 5 11 25 41 55 205 275 451 1025 2255 6091 11275 30455 67001 152275 249731 335005 1248655 1675025 2747041 6243275 13735205 68676025