Search a number
-
+
108280992 = 2534312617
BaseRepresentation
bin1100111010000…
…11110010100000
321112202020121010
412131003302200
5210204442432
614424500520
72453242011
oct635036240
9245666533
10108280992
1156138126
123031a740
1319582ac1
1410549008
15978d3cc
hex6743ca0

108280992 has 48 divisors (see below), whose sum is σ = 285005952. Its totient is φ = 35996160.

The previous prime is 108280979. The next prime is 108280999. The reversal of 108280992 is 299082801.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 108280992.

It is not an unprimeable number, because it can be changed into a prime (108280999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40068 + ... + 42684.

It is an arithmetic number, because the mean of its divisors is an integer number (5937624).

Almost surely, 2108280992 is an apocalyptic number.

108280992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

108280992 is an abundant number, since it is smaller than the sum of its proper divisors (176724960).

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

108280992 is a wasteful number, since it uses less digits than its factorization.

108280992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3061 (or 3053 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 108280992 is about 10405.8152972268. The cubic root of 108280992 is about 476.6329644017.

The spelling of 108280992 in words is "one hundred eight million, two hundred eighty thousand, nine hundred ninety-two".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 431 862 1293 1724 2586 2617 3448 5172 5234 6896 7851 10344 10468 13792 15702 20688 20936 31404 41376 41872 62808 83744 125616 251232 1127927 2255854 3383781 4511708 6767562 9023416 13535124 18046832 27070248 36093664 54140496 108280992