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68614252 = 2275994091
BaseRepresentation
bin1000001011011…
…11100001101100
311210002222001121
410011233201230
5120031124002
610450350324
71462132360
oct405574154
9153088047
1068614252
11358049a3
121ab8b3a4
13112a4b65
1491812a0
156055237
hex416f86c

68614252 has 24 divisors (see below), whose sum is σ = 137491200. Its totient is φ = 29349840.

The previous prime is 68614237. The next prime is 68614291. The reversal of 68614252 is 25241686.

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, 14727 + ... + 18817.

It is an arithmetic number, because the mean of its divisors is an integer number (5728800).

Almost surely, 268614252 is an apocalyptic number.

It is an amenable number.

68614252 is an abundant number, since it is smaller than the sum of its proper divisors (68876948).

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

68614252 is a wasteful number, since it uses less digits than its factorization.

68614252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4701 (or 4699 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 68614252 is about 8283.3720186890. The cubic root of 68614252 is about 409.3908304350.

The spelling of 68614252 in words is "sixty-eight million, six hundred fourteen thousand, two hundred fifty-two".

Divisors: 1 2 4 7 14 28 599 1198 2396 4091 4193 8182 8386 16364 16772 28637 57274 114548 2450509 4901018 9802036 17153563 34307126 68614252