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7685625 = 3544099
BaseRepresentation
bin11101010100010111111001
3112110110200210
4131110113321
53431420000
6432421333
7122220033
oct35242771
915413623
107685625
11437a362
1226a7849
13179130c
141040c53
15a1c350
hex7545f9

7685625 has 20 divisors (see below), whose sum is σ = 12808400. Its totient is φ = 4098000.

The previous prime is 7685593. The next prime is 7685627. The reversal of 7685625 is 5265867.

It is a happy number.

It is not a de Polignac number, because 7685625 - 25 = 7685593 is a prime.

It is a d-powerful number, because it can be written as 73 + 63 + 87 + 59 + 68 + 211 + 59 .

It is not an unprimeable number, because it can be changed into a prime (7685627) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 175 + ... + 3924.

It is an arithmetic number, because the mean of its divisors is an integer number (640420).

Almost surely, 27685625 is an apocalyptic number.

7685625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7685625 is a deficient number, since it is larger than the sum of its proper divisors (5122775).

7685625 is an equidigital number, since it uses as much as digits as its factorization.

7685625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4122 (or 4107 counting only the distinct ones).

The product of its digits is 100800, while the sum is 39.

The square root of 7685625 is about 2772.2959798694. The cubic root of 7685625 is about 197.3451223960.

The spelling of 7685625 in words is "seven million, six hundred eighty-five thousand, six hundred twenty-five".

Divisors: 1 3 5 15 25 75 125 375 625 1875 4099 12297 20495 61485 102475 307425 512375 1537125 2561875 7685625