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68694776 = 238586847
BaseRepresentation
bin1000001100000…
…11001011111000
311210021001111222
410012003023320
5120041213101
610452211212
71462616213
oct406031370
9153231458
1068694776
113585a447
121b009b08
13113026c7
1491a277a
15606e01b
hex41832f8

68694776 has 8 divisors (see below), whose sum is σ = 128802720. Its totient is φ = 34347384.

The previous prime is 68694757. The next prime is 68694781. The reversal of 68694776 is 67749686.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4293416 + ... + 4293431.

It is an arithmetic number, because the mean of its divisors is an integer number (16100340).

Almost surely, 268694776 is an apocalyptic number.

It is an amenable number.

68694776 is a deficient number, since it is larger than the sum of its proper divisors (60107944).

68694776 is a wasteful number, since it uses less digits than its factorization.

68694776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8586853 (or 8586849 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 53.

The square root of 68694776 is about 8288.2311743821. The cubic root of 68694776 is about 409.5509181657.

The spelling of 68694776 in words is "sixty-eight million, six hundred ninety-four thousand, seven hundred seventy-six".

Divisors: 1 2 4 8 8586847 17173694 34347388 68694776