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68714872 = 238589359
BaseRepresentation
bin1000001100010…
…00000101111000
311210022002002021
410012020011320
5120042333442
610452444224
71463031622
oct406100570
9153262067
1068714872
1135873556
121b019674
131130b8b5
1491a9c12
156074e67
hex4188178

68714872 has 8 divisors (see below), whose sum is σ = 128840400. Its totient is φ = 34357432.

The previous prime is 68714857. The next prime is 68714873. The reversal of 68714872 is 27841786.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68714873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4294672 + ... + 4294687.

It is an arithmetic number, because the mean of its divisors is an integer number (16105050).

Almost surely, 268714872 is an apocalyptic number.

It is an amenable number.

68714872 is a deficient number, since it is larger than the sum of its proper divisors (60125528).

68714872 is a wasteful number, since it uses less digits than its factorization.

68714872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8589365 (or 8589361 counting only the distinct ones).

The product of its digits is 150528, while the sum is 43.

The square root of 68714872 is about 8289.4434071293. The cubic root of 68714872 is about 409.5908510072.

The spelling of 68714872 in words is "sixty-eight million, seven hundred fourteen thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 8589359 17178718 34357436 68714872