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69714680 = 2357248981
BaseRepresentation
bin1000010011111…
…00001011111000
311212011212120012
410021330023320
5120321332210
610530121052
71504364540
oct411741370
9155155505
1069714680
1136396742
121b420188
131159b9b9
14938a320
1561c1305
hex427c2f8

69714680 has 32 divisors (see below), whose sum is σ = 179267040. Its totient is φ = 23902080.

The previous prime is 69714661. The next prime is 69714709. The reversal of 69714680 is 8641796.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124211 + ... + 124770.

It is an arithmetic number, because the mean of its divisors is an integer number (5602095).

Almost surely, 269714680 is an apocalyptic number.

It is an amenable number.

69714680 is an abundant number, since it is smaller than the sum of its proper divisors (109552360).

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

69714680 is a wasteful number, since it uses less digits than its factorization.

69714680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248999 (or 248995 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 69714680 is about 8349.5317233962. The cubic root of 69714680 is about 411.5678221783.

The spelling of 69714680 in words is "sixty-nine million, seven hundred fourteen thousand, six hundred eighty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 248981 497962 995924 1244905 1742867 1991848 2489810 3485734 4979620 6971468 8714335 9959240 13942936 17428670 34857340 69714680