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108316920 = 23355915299
BaseRepresentation
bin1100111010011…
…00100011111000
321112211001212210
412131030203320
5210212120140
614425335120
72453451525
oct635144370
9245731783
10108316920
1156162118
12303374a0
131959626a
141055814c
159798d80
hex674c8f8

108316920 has 64 divisors (see below), whose sum is σ = 330480000. Its totient is φ = 28393088.

The previous prime is 108316919. The next prime is 108316927. The reversal of 108316920 is 29613801.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (108316927) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 570 + ... + 14729.

It is an arithmetic number, because the mean of its divisors is an integer number (5163750).

Almost surely, 2108316920 is an apocalyptic number.

108316920 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 108316920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165240000).

108316920 is an abundant number, since it is smaller than the sum of its proper divisors (222163080).

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

108316920 is a wasteful number, since it uses less digits than its factorization.

108316920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15372 (or 15368 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 108316920 is about 10407.5414964342. The cubic root of 108316920 is about 476.6856747165.

The spelling of 108316920 in words is "one hundred eight million, three hundred sixteen thousand, nine hundred twenty".

Divisors: 1 2 3 4 5 6 8 10 12 15 20 24 30 40 59 60 118 120 177 236 295 354 472 590 708 885 1180 1416 1770 2360 3540 7080 15299 30598 45897 61196 76495 91794 122392 152990 183588 229485 305980 367176 458970 611960 902641 917940 1805282 1835880 2707923 3610564 4513205 5415846 7221128 9026410 10831692 13539615 18052820 21663384 27079230 36105640 54158460 108316920