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68244370 = 2510976221
BaseRepresentation
bin1000001000101…
…01001110010010
311202102011200021
410010111032102
5114432304440
610434414054
71456032115
oct404251622
9152364607
1068244370
1135582007
121aa3132a
13111a56ac
1490c657c
155ed084a
hex4115392

68244370 has 16 divisors (see below), whose sum is σ = 122971608. Its totient is φ = 27268480.

The previous prime is 68244367. The next prime is 68244389. The reversal of 68244370 is 7344286.

It can be written as a sum of positive squares in 4 ways, for example, as 28440889 + 39803481 = 5333^2 + 6309^2 .

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, 7860 + ... + 14080.

Almost surely, 268244370 is an apocalyptic number.

68244370 is a deficient number, since it is larger than the sum of its proper divisors (54727238).

68244370 is a wasteful number, since it uses less digits than its factorization.

68244370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7325.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 68244370 is about 8261.0150708009. The cubic root of 68244370 is about 408.6538639263.

The spelling of 68244370 in words is "sixty-eight million, two hundred forty-four thousand, three hundred seventy".

Divisors: 1 2 5 10 1097 2194 5485 6221 10970 12442 31105 62210 6824437 13648874 34122185 68244370