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68089392 = 24327312179
BaseRepresentation
bin1000000111011…
…11011000110000
311202010022002100
410003233120300
5114412330032
610431220400
71454515230
oct403573060
9152108070
1068089392
1135486628
121a977700
131114cca7
149085cc0
155e9e97c
hex40ef630

68089392 has 120 divisors (see below), whose sum is σ = 224906240. Its totient is φ = 18817920.

The previous prime is 68089387. The next prime is 68089421. The reversal of 68089392 is 29398086.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30159 + ... + 32337.

Almost surely, 268089392 is an apocalyptic number.

68089392 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68089392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112453120).

68089392 is an abundant number, since it is smaller than the sum of its proper divisors (156816848).

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

68089392 is a wasteful number, since it uses less digits than its factorization.

68089392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2231 (or 2222 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The square root of 68089392 is about 8251.6296572253. The cubic root of 68089392 is about 408.3442884006.

The spelling of 68089392 in words is "sixty-eight million, eighty-nine thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 31 36 42 48 56 62 63 72 84 93 112 124 126 144 168 186 217 248 252 279 336 372 434 496 504 558 651 744 868 1008 1116 1302 1488 1736 1953 2179 2232 2604 3472 3906 4358 4464 5208 6537 7812 8716 10416 13074 15253 15624 17432 19611 26148 30506 31248 34864 39222 45759 52296 61012 67549 78444 91518 104592 122024 135098 137277 156888 183036 202647 244048 270196 274554 313776 366072 405294 472843 540392 549108 607941 732144 810588 945686 1080784 1098216 1215882 1418529 1621176 1891372 2196432 2431764 2837058 3242352 3782744 4255587 4863528 5674116 7565488 8511174 9727056 11348232 17022348 22696464 34044696 68089392