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102263925 = 3521780207
BaseRepresentation
bin1100001100001…
…10110001110101
321010102112201210
412012012301311
5202134421200
614051512033
72351141361
oct606066165
9233375653
10102263925
11527a8445
122a2b8619
13182570ca
14d8202a1
158ea0650
hex6186c75

102263925 has 24 divisors (see below), whose sum is σ = 179024256. Its totient is φ = 51331840.

The previous prime is 102263923. The next prime is 102263929. The reversal of 102263925 is 529362201.

It is not a de Polignac number, because 102263925 - 21 = 102263923 is a prime.

It is a house number.

It is a junction number, because it is equal to n+sod(n) for n = 102263892 and 102263901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102263921) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 38829 + ... + 41378.

It is an arithmetic number, because the mean of its divisors is an integer number (7459344).

Almost surely, 2102263925 is an apocalyptic number.

102263925 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102263925 is a deficient number, since it is larger than the sum of its proper divisors (76760331).

102263925 is a wasteful number, since it uses less digits than its factorization.

102263925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80237 (or 80232 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

The square root of 102263925 is about 10112.5627315730. The cubic root of 102263925 is about 467.6355141097.

The spelling of 102263925 in words is "one hundred two million, two hundred sixty-three thousand, nine hundred twenty-five".

Divisors: 1 3 5 15 17 25 51 75 85 255 425 1275 80207 240621 401035 1203105 1363519 2005175 4090557 6015525 6817595 20452785 34087975 102263925