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108513992 = 2317797897
BaseRepresentation
bin1100111011111…
…00101011001000
321120012002012202
412131330223020
5210234421432
614433455332
72455232216
oct635745310
9246162182
10108513992
1156287194
1230411548
1319634b82
14105a9cb6
1597d7462
hex677cac8

108513992 has 16 divisors (see below), whose sum is σ = 215432460. Its totient is φ = 51065344.

The previous prime is 108513971. The next prime is 108514019. The reversal of 108513992 is 299315801.

It can be written as a sum of positive squares in 2 ways, for example, as 103103716 + 5410276 = 10154^2 + 2326^2 .

It is a super-3 number, since 3×1085139923 (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 398813 + ... + 399084.

Almost surely, 2108513992 is an apocalyptic number.

It is an amenable number.

108513992 is a deficient number, since it is larger than the sum of its proper divisors (106918468).

108513992 is a wasteful number, since it uses less digits than its factorization.

108513992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 797920 (or 797916 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 108513992 is about 10417.0049438406. The cubic root of 108513992 is about 476.9745938266.

The spelling of 108513992 in words is "one hundred eight million, five hundred thirteen thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 17 34 68 136 797897 1595794 3191588 6383176 13564249 27128498 54256996 108513992