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108631320 = 23357791637
BaseRepresentation
bin1100111100110…
…01010100011000
321120102001011020
412132121110120
5210302200240
614440202440
72456231250
oct636312430
9246361136
10108631320
1156357356
1230469420
13196763b5
14105da960
15980c0d0
hex6799518

108631320 has 128 divisors (see below), whose sum is σ = 377395200. Its totient is φ = 24500736.

The previous prime is 108631279. The next prime is 108631381. The reversal of 108631320 is 23136801.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65542 + ... + 67178.

It is an arithmetic number, because the mean of its divisors is an integer number (2948400).

Almost surely, 2108631320 is an apocalyptic number.

108631320 is a gapful number since it is divisible by the number (10) 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 108631320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (188697600).

108631320 is an abundant number, since it is smaller than the sum of its proper divisors (268763880).

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

108631320 is a wasteful number, since it uses less digits than its factorization.

108631320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 108631320 is about 10422.6349835346. The cubic root of 108631320 is about 477.1464374660.

The spelling of 108631320 in words is "one hundred eight million, six hundred thirty-one thousand, three hundred twenty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 56 60 70 79 84 105 120 140 158 168 210 237 280 316 395 420 474 553 632 790 840 948 1106 1185 1580 1637 1659 1896 2212 2370 2765 3160 3274 3318 4424 4740 4911 5530 6548 6636 8185 8295 9480 9822 11060 11459 13096 13272 16370 16590 19644 22120 22918 24555 32740 33180 34377 39288 45836 49110 57295 65480 66360 68754 91672 98220 114590 129323 137508 171885 196440 229180 258646 275016 343770 387969 458360 517292 646615 687540 775938 905261 1034584 1293230 1375080 1551876 1810522 1939845 2586460 2715783 3103752 3621044 3879690 4526305 5172920 5431566 7242088 7759380 9052610 10863132 13578915 15518760 18105220 21726264 27157830 36210440 54315660 108631320