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68747536 = 24111330047
BaseRepresentation
bin1000001100100…
…00000100010000
311210100201220001
410012100010100
5120044410121
610453255344
71463226064
oct406200420
9153321801
1068747536
1135896050
121b034554
1311320720
1491b7aa4
15607e991
hex4190110

68747536 has 40 divisors (see below), whose sum is σ = 156489984. Its totient is φ = 28844160.

The previous prime is 68747533. The next prime is 68747563. The reversal of 68747536 is 63574786.

It is not an unprimeable number, because it can be changed into a prime (68747533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12736 + ... + 17311.

Almost surely, 268747536 is an apocalyptic number.

It is an amenable number.

68747536 is an abundant number, since it is smaller than the sum of its proper divisors (87742448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68747536 is a wasteful number, since it uses less digits than its factorization.

68747536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30079 (or 30073 counting only the distinct ones).

The product of its digits is 846720, while the sum is 46.

The square root of 68747536 is about 8291.4133897665. The cubic root of 68747536 is about 409.6557411628.

The spelling of 68747536 in words is "sixty-eight million, seven hundred forty-seven thousand, five hundred thirty-six".

Divisors: 1 2 4 8 11 13 16 22 26 44 52 88 104 143 176 208 286 572 1144 2288 30047 60094 120188 240376 330517 390611 480752 661034 781222 1322068 1562444 2644136 3124888 4296721 5288272 6249776 8593442 17186884 34373768 68747536