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68365479 = 3713250423
BaseRepresentation
bin1000001001100…
…10110010100111
311202122022210210
410010302302213
5120000143404
610441150503
71460045160
oct404626247
9152568723
1068365479
1135654aa6
121aa8b433
1311218860
149118767
156006689
hex4132ca7

68365479 has 16 divisors (see below), whose sum is σ = 112189952. Its totient is φ = 36060768.

The previous prime is 68365471. The next prime is 68365481. The reversal of 68365479 is 97456386.

It is not a de Polignac number, because 68365479 - 23 = 68365471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68365471) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124939 + ... + 125484.

It is an arithmetic number, because the mean of its divisors is an integer number (7011872).

Almost surely, 268365479 is an apocalyptic number.

68365479 is a deficient number, since it is larger than the sum of its proper divisors (43824473).

68365479 is a wasteful number, since it uses less digits than its factorization.

68365479 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250446.

The product of its digits is 1088640, while the sum is 48.

The square root of 68365479 is about 8268.3419740599. The cubic root of 68365479 is about 408.8954585226.

The spelling of 68365479 in words is "sixty-eight million, three hundred sixty-five thousand, four hundred seventy-nine".

Divisors: 1 3 7 13 21 39 91 273 250423 751269 1752961 3255499 5258883 9766497 22788493 68365479