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68982368 = 2571323689
BaseRepresentation
bin1000001110010…
…01011001100000
311210210200000112
410013021121200
5120124413433
610502310452
71465224530
oct407113140
9153720015
1068982368
1135a36524
121b128428
13113a3590
1492394c0
1560c9348
hex41c9660

68982368 has 48 divisors (see below), whose sum is σ = 167156640. Its totient is φ = 27288576.

The previous prime is 68982343. The next prime is 68982401. The reversal of 68982368 is 86328986.

It is a congruent number.

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, 8933 + ... + 14756.

It is an arithmetic number, because the mean of its divisors is an integer number (3482430).

Almost surely, 268982368 is an apocalyptic number.

It is an amenable number.

68982368 is an abundant number, since it is smaller than the sum of its proper divisors (98174272).

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

68982368 is a wasteful number, since it uses less digits than its factorization.

68982368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23719 (or 23711 counting only the distinct ones).

The product of its digits is 995328, while the sum is 50.

The square root of 68982368 is about 8305.5624734271. The cubic root of 68982368 is about 410.1216533705.

The spelling of 68982368 in words is "sixty-eight million, nine hundred eighty-two thousand, three hundred sixty-eight".

Divisors: 1 2 4 7 8 13 14 16 26 28 32 52 56 91 104 112 182 208 224 364 416 728 1456 2912 23689 47378 94756 165823 189512 307957 331646 379024 615914 663292 758048 1231828 1326584 2155699 2463656 2653168 4311398 4927312 5306336 8622796 9854624 17245592 34491184 68982368