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68069804 = 22111977853
BaseRepresentation
bin1000000111010…
…10100110101100
311202002022012212
410003222212230
5114411213204
610430545552
71454404145
oct403524654
9152068185
1068069804
1135472940
121a9682b8
13111440ba
14907cacc
155e98c6e
hex40ea9ac

68069804 has 24 divisors (see below), whose sum is σ = 130627728. Its totient is φ = 30779840.

The previous prime is 68069783. The next prime is 68069821. The reversal of 68069804 is 40896086.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4742 + ... + 12594.

It is an arithmetic number, because the mean of its divisors is an integer number (5442822).

Almost surely, 268069804 is an apocalyptic number.

It is an amenable number.

68069804 is a deficient number, since it is larger than the sum of its proper divisors (62557924).

68069804 is a wasteful number, since it uses less digits than its factorization.

68069804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8065 (or 8063 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 68069804 is about 8250.4426547913. The cubic root of 68069804 is about 408.3051270627.

The spelling of 68069804 in words is "sixty-eight million, sixty-nine thousand, eight hundred four".

Divisors: 1 2 4 11 22 44 197 394 788 2167 4334 7853 8668 15706 31412 86383 172766 345532 1547041 3094082 6188164 17017451 34034902 68069804