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68714080 = 255429463
BaseRepresentation
bin1000001100001…
…11111001100000
311210022000222221
410012013321200
5120042322310
610452440424
71463026411
oct406077140
9153260887
1068714080
11358729a6
121b019114
131130b426
1491a9808
156074ada
hex4187e60

68714080 has 24 divisors (see below), whose sum is σ = 162337392. Its totient is φ = 27485568.

The previous prime is 68714077. The next prime is 68714083. The reversal of 68714080 is 8041786.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (68714077) and next prime (68714083).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68714083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 214572 + ... + 214891.

It is an arithmetic number, because the mean of its divisors is an integer number (6764058).

Almost surely, 268714080 is an apocalyptic number.

It is an amenable number.

68714080 is an abundant number, since it is smaller than the sum of its proper divisors (93623312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68714080 is a wasteful number, since it uses less digits than its factorization.

68714080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429478 (or 429470 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 68714080 is about 8289.3956353886. The cubic root of 68714080 is about 409.5892773682.

The spelling of 68714080 in words is "sixty-eight million, seven hundred fourteen thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 429463 858926 1717852 2147315 3435704 4294630 6871408 8589260 13742816 17178520 34357040 68714080