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102399108 = 22379371301
BaseRepresentation
bin1100001101001…
…11110010000100
321010200102011120
412012213302010
5202203232413
614054433540
72352243450
oct606476204
9233612146
10102399108
115288aa69
122a3628b0
13182a37b6
14d857660
158eca723
hex61a7c84

102399108 has 48 divisors (see below), whose sum is σ = 273565824. Its totient is φ = 29203200.

The previous prime is 102399103. The next prime is 102399119. The reversal of 102399108 is 801993201.

It is not an unprimeable number, because it can be changed into a prime (102399103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78058 + ... + 79358.

It is an arithmetic number, because the mean of its divisors is an integer number (5699288).

Almost surely, 2102399108 is an apocalyptic number.

It is an amenable number.

102399108 is an abundant number, since it is smaller than the sum of its proper divisors (171166716).

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

102399108 is a wasteful number, since it uses less digits than its factorization.

102399108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2252 (or 2250 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 102399108 is about 10119.2444381979. The cubic root of 102399108 is about 467.8414796602.

The spelling of 102399108 in words is "one hundred two million, three hundred ninety-nine thousand, one hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 937 1301 1874 2602 2811 3748 3903 5204 5622 6559 7806 9107 11244 13118 15612 18214 19677 26236 27321 36428 39354 54642 78708 109284 1219037 2438074 3657111 4876148 7314222 8533259 14628444 17066518 25599777 34133036 51199554 102399108