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68756824 = 238594603
BaseRepresentation
bin1000001100100…
…10010101011000
311210101012122001
410012102111120
5120100204244
610453410344
71463265133
oct406222530
9153335561
1068756824
11358a2024
121b0399b4
1311324a16
1491bb21a
1560825d4
hex4192558

68756824 has 8 divisors (see below), whose sum is σ = 128919060. Its totient is φ = 34378408.

The previous prime is 68756803. The next prime is 68756833. The reversal of 68756824 is 42865786.

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 polite number, since it can be written as a sum of consecutive naturals, namely, 4297294 + ... + 4297309.

Almost surely, 268756824 is an apocalyptic number.

It is an amenable number.

68756824 is a deficient number, since it is larger than the sum of its proper divisors (60162236).

68756824 is a wasteful number, since it uses less digits than its factorization.

68756824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8594609 (or 8594605 counting only the distinct ones).

The product of its digits is 645120, while the sum is 46.

The square root of 68756824 is about 8291.9734683608. The cubic root of 68756824 is about 409.6741889085.

The spelling of 68756824 in words is "sixty-eight million, seven hundred fifty-six thousand, eight hundred twenty-four".

Divisors: 1 2 4 8 8594603 17189206 34378412 68756824