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102375018 = 2325687501
BaseRepresentation
bin1100001101000…
…01111001101010
321010122012010100
412012201321222
5202202000033
614054130230
72352113304
oct606417152
9233565110
10102375018
1152873959
122a350976
1318295845
14d84c974
158ec3513
hex61a1e6a

102375018 has 12 divisors (see below), whose sum is σ = 221812578. Its totient is φ = 34125000.

The previous prime is 102374917. The next prime is 102375043. The reversal of 102375018 is 810573201.

It can be written as a sum of positive squares in only one way, i.e., 100942209 + 1432809 = 10047^2 + 1197^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 102374982 and 102375000.

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 5 ways as a sum of consecutive naturals, for example, 2843733 + ... + 2843768.

Almost surely, 2102375018 is an apocalyptic number.

102375018 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

102375018 is an abundant number, since it is smaller than the sum of its proper divisors (119437560).

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

102375018 is a wasteful number, since it uses less digits than its factorization.

102375018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5687509 (or 5687506 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 27.

The square root of 102375018 is about 10118.0540619232. The cubic root of 102375018 is about 467.8047892847.

The spelling of 102375018 in words is "one hundred two million, three hundred seventy-five thousand, eighteen".

Divisors: 1 2 3 6 9 18 5687501 11375002 17062503 34125006 51187509 102375018