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108152990 = 2511983209
BaseRepresentation
bin1100111001001…
…00100010011110
321112111202000022
412130210202132
5210141343430
614422032142
72452166561
oct634444236
9245452008
10108152990
115605aa40
1230278652
131953976a
14105144d8
1597654e5
hex672489e

108152990 has 16 divisors (see below), whose sum is σ = 212373360. Its totient is φ = 39328320.

The previous prime is 108152983. The next prime is 108153011. The reversal of 108152990 is 99251801.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 108152990.

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 7 ways as a sum of consecutive naturals, for example, 491495 + ... + 491714.

It is an arithmetic number, because the mean of its divisors is an integer number (13273335).

Almost surely, 2108152990 is an apocalyptic number.

108152990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

108152990 is a deficient number, since it is larger than the sum of its proper divisors (104220370).

108152990 is a wasteful number, since it uses less digits than its factorization.

108152990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983227.

The product of its (nonzero) digits is 6480, while the sum is 35.

The square root of 108152990 is about 10399.6629753084. The cubic root of 108152990 is about 476.4450766112.

The spelling of 108152990 in words is "one hundred eight million, one hundred fifty-two thousand, nine hundred ninety".

Divisors: 1 2 5 10 11 22 55 110 983209 1966418 4916045 9832090 10815299 21630598 54076495 108152990