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102074265 = 3252268317
BaseRepresentation
bin1100001010110…
…00011110011001
321010001220120100
412011120132121
5202112334030
614043450013
72346421416
oct605303631
9233056510
10102074265
11526889a7
122a226909
13181bb997
14d7b110d
158e64360
hex6158799

102074265 has 12 divisors (see below), whose sum is σ = 176928804. Its totient is φ = 54439584.

The previous prime is 102074263. The next prime is 102074279. The reversal of 102074265 is 562470201.

It can be written as a sum of positive squares in 2 ways, for example, as 73205136 + 28869129 = 8556^2 + 5373^2 .

It is not a de Polignac number, because 102074265 - 21 = 102074263 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102074261) 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 11 ways as a sum of consecutive naturals, for example, 1134114 + ... + 1134203.

It is an arithmetic number, because the mean of its divisors is an integer number (14744067).

Almost surely, 2102074265 is an apocalyptic number.

102074265 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102074265 is a deficient number, since it is larger than the sum of its proper divisors (74854539).

102074265 is a wasteful number, since it uses less digits than its factorization.

102074265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2268328 (or 2268325 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 102074265 is about 10103.1809347354. The cubic root of 102074265 is about 467.3462409119.

The spelling of 102074265 in words is "one hundred two million, seventy-four thousand, two hundred sixty-five".

Divisors: 1 3 5 9 15 45 2268317 6804951 11341585 20414853 34024755 102074265