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68570710 = 2513618647
BaseRepresentation
bin1000001011001…
…00111001010110
311210000202022221
410011210321112
5120023230320
610445412554
71461561415
oct405447126
9153022287
1068570710
113578520a
121ab6a15a
131128b0b0
14916d47c
1560473aa
hex4164e56

68570710 has 32 divisors (see below), whose sum is σ = 135116352. Its totient is φ = 24900480.

The previous prime is 68570693. The next prime is 68570713. The reversal of 68570710 is 1707586.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68570713) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3607 + ... + 12253.

It is an arithmetic number, because the mean of its divisors is an integer number (4222386).

Almost surely, 268570710 is an apocalyptic number.

68570710 is a deficient number, since it is larger than the sum of its proper divisors (66545642).

68570710 is a wasteful number, since it uses less digits than its factorization.

68570710 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8728.

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 68570710 is about 8280.7433241225. The cubic root of 68570710 is about 409.3042135052.

The spelling of 68570710 in words is "sixty-eight million, five hundred seventy thousand, seven hundred ten".

Divisors: 1 2 5 10 13 26 61 65 122 130 305 610 793 1586 3965 7930 8647 17294 43235 86470 112411 224822 527467 562055 1054934 1124110 2637335 5274670 6857071 13714142 34285355 68570710