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108423720 = 23325301177
BaseRepresentation
bin1100111011001…
…10101000101000
321120000111101100
412131212220220
5210224024340
614431521400
72454405066
oct635465050
9246014340
10108423720
1156225389
1230389260
1319602a62
1410585036
1597ba830
hex6766a28

108423720 has 48 divisors (see below), whose sum is σ = 352378260. Its totient is φ = 28912896.

The previous prime is 108423703. The next prime is 108423737. The reversal of 108423720 is 27324801.

It is an interprime number because it is at equal distance from previous prime (108423703) and next prime (108423737).

It can be written as a sum of positive squares in 2 ways, for example, as 107371044 + 1052676 = 10362^2 + 1026^2 .

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 11 ways as a sum of consecutive naturals, for example, 150229 + ... + 150948.

Almost surely, 2108423720 is an apocalyptic number.

108423720 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

108423720 is an abundant number, since it is smaller than the sum of its proper divisors (243954540).

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

108423720 is a wasteful number, since it uses less digits than its factorization.

108423720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301194 (or 301187 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 108423720 is about 10412.6711270452. The cubic root of 108423720 is about 476.8422932358.

The spelling of 108423720 in words is "one hundred eight million, four hundred twenty-three thousand, seven hundred twenty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 301177 602354 903531 1204708 1505885 1807062 2409416 2710593 3011770 3614124 4517655 5421186 6023540 7228248 9035310 10842372 12047080 13552965 18070620 21684744 27105930 36141240 54211860 108423720