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68076748 = 22156710861
BaseRepresentation
bin1000000111011…
…00010011001100
311202002122202001
410003230103030
5114411423443
610431042044
71454433325
oct403542314
9152078661
1068076748
1135478083
121a970324
13111472cc
14908144c
155e9ad4d
hex40ec4cc

68076748 has 12 divisors (see below), whose sum is σ = 119221312. Its totient is φ = 34013520.

The previous prime is 68076733. The next prime is 68076773. The reversal of 68076748 is 84767086.

It is a junction number, because it is equal to n+sod(n) for n = 68076698 and 68076707.

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 in 3 ways as a sum of consecutive naturals, for example, 838 + ... + 11698.

Almost surely, 268076748 is an apocalyptic number.

It is an amenable number.

68076748 is a deficient number, since it is larger than the sum of its proper divisors (51144564).

68076748 is a wasteful number, since it uses less digits than its factorization.

68076748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12432 (or 12430 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 68076748 is about 8250.8634699648. The cubic root of 68076748 is about 408.3190107244.

The spelling of 68076748 in words is "sixty-eight million, seventy-six thousand, seven hundred forty-eight".

Divisors: 1 2 4 1567 3134 6268 10861 21722 43444 17019187 34038374 68076748