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108398088 = 23344092
BaseRepresentation
bin1100111011000…
…00011000001000
321112222012020000
412131200120020
5210222214323
614431203000
72454240261
oct635403010
9245865200
10108398088
11562080a7
1230376460
13195c41a6
1410579968
1597b2e43
hex6760608

108398088 has 60 divisors (see below), whose sum is σ = 304359165. Its totient is φ = 36044352.

The previous prime is 108398063. The next prime is 108398089. The reversal of 108398088 is 880893801.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 84603204 + 23794884 = 9198^2 + 4878^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=7362.

It is not an unprimeable number, because it can be changed into a prime (108398089) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 264828 + ... + 265236.

Almost surely, 2108398088 is an apocalyptic number.

108398088 is a gapful number since it is divisible by the number (18) 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 108398088

108398088 is an abundant number, since it is smaller than the sum of its proper divisors (195961077).

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

108398088 is an frugal number, since it uses more digits than its factorization.

108398088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 836 (or 414 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 45.

The square root of 108398088 is about 10411.4402461907. The cubic root of 108398088 is about 476.8047141742.

The spelling of 108398088 in words is "one hundred eight million, three hundred ninety-eight thousand, eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 409 648 818 1227 1636 2454 3272 3681 4908 7362 9816 11043 14724 22086 29448 33129 44172 66258 88344 132516 167281 265032 334562 501843 669124 1003686 1338248 1505529 2007372 3011058 4014744 4516587 6022116 9033174 12044232 13549761 18066348 27099522 36132696 54199044 108398088