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2108392 = 2311131997
BaseRepresentation
bin1000000010101111101000
310222010011121
420002233220
51014432032
6113105024
723630626
oct10025750
93863147
102108392
111210080
12858174
1358a890
143cc516
152b9a97
hex202be8

2108392 has 64 divisors (see below), whose sum is σ = 4939200. Its totient is φ = 829440.

The previous prime is 2108389. The next prime is 2108401. The reversal of 2108392 is 2938012.

2108392 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21688 + ... + 21784.

It is an arithmetic number, because the mean of its divisors is an integer number (77175).

22108392 is an apocalyptic number.

2108392 is a gapful number since it is divisible by the number (22) 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 2108392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2469600).

2108392 is an abundant number, since it is smaller than the sum of its proper divisors (2830808).

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

2108392 is a wasteful number, since it uses less digits than its factorization.

2108392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2108392 is about 1452.0303027141. The cubic root of 2108392 is about 128.2282710522.

It can be divided in two parts, 2108 and 392, that added together give a square (2500 = 502).

The spelling of 2108392 in words is "two million, one hundred eight thousand, three hundred ninety-two".

Divisors: 1 2 4 8 11 13 19 22 26 38 44 52 76 88 97 104 143 152 194 209 247 286 388 418 494 572 776 836 988 1067 1144 1261 1672 1843 1976 2134 2522 2717 3686 4268 5044 5434 7372 8536 10088 10868 13871 14744 20273 21736 23959 27742 40546 47918 55484 81092 95836 110968 162184 191672 263549 527098 1054196 2108392