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68756468 = 22111562647
BaseRepresentation
bin1000001100100…
…10001111110100
311210101012010212
410012102033310
5120100201333
610453404552
71463264114
oct406221764
9153335125
1068756468
11358a1830
121b039758
1311324801
1491bb044
156082448
hex41923f4

68756468 has 12 divisors (see below), whose sum is σ = 131262432. Its totient is φ = 31252920.

The previous prime is 68756461. The next prime is 68756473. The reversal of 68756468 is 86465786.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68756461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781280 + ... + 781367.

It is an arithmetic number, because the mean of its divisors is an integer number (10938536).

Almost surely, 268756468 is an apocalyptic number.

It is an amenable number.

68756468 is a deficient number, since it is larger than the sum of its proper divisors (62505964).

68756468 is a wasteful number, since it uses less digits than its factorization.

68756468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1562662 (or 1562660 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 68756468 is about 8291.9520017907. The cubic root of 68756468 is about 409.6734818550.

The spelling of 68756468 in words is "sixty-eight million, seven hundred fifty-six thousand, four hundred sixty-eight".

Divisors: 1 2 4 11 22 44 1562647 3125294 6250588 17189117 34378234 68756468