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68874688 = 261076167
BaseRepresentation
bin1000001101011…
…11000111000000
311210121012022101
410012233013000
5120112442223
610500120144
71464265561
oct406570700
9153535271
1068874688
1135972633
121b096054
131136656c
14920c168
1560a74ad
hex41af1c0

68874688 has 14 divisors (see below), whose sum is σ = 136673336. Its totient is φ = 34437312.

The previous prime is 68874683. The next prime is 68874709. The reversal of 68874688 is 88647886.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68874683) by changing a digit.

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, 538020 + ... + 538147.

Almost surely, 268874688 is an apocalyptic number.

It is an amenable number.

68874688 is a deficient number, since it is larger than the sum of its proper divisors (67798648).

68874688 is a wasteful number, since it uses less digits than its factorization.

68874688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1076179 (or 1076169 counting only the distinct ones).

The product of its digits is 4128768, while the sum is 55.

The square root of 68874688 is about 8299.0775391004. The cubic root of 68874688 is about 409.9081451971.

The spelling of 68874688 in words is "sixty-eight million, eight hundred seventy-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 8 16 32 64 1076167 2152334 4304668 8609336 17218672 34437344 68874688