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7680525 = 352102407
BaseRepresentation
bin11101010011001000001101
3112110012200220
4131103020031
53431234100
6432341553
7122166126
oct35231015
915405626
107680525
114376546
1226a48b9
13178bbb8
14103d04d
15a1aaa0
hex75320d

7680525 has 12 divisors (see below), whose sum is σ = 12698592. Its totient is φ = 4096240.

The previous prime is 7680523. The next prime is 7680527. The reversal of 7680525 is 5250867.

It is a happy number.

7680525 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7680523) and next prime (7680527).

It is not a de Polignac number, because 7680525 - 21 = 7680523 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7680523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51129 + ... + 51278.

It is an arithmetic number, because the mean of its divisors is an integer number (1058216).

Almost surely, 27680525 is an apocalyptic number.

7680525 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7680525 is a deficient number, since it is larger than the sum of its proper divisors (5018067).

7680525 is a wasteful number, since it uses less digits than its factorization.

7680525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102420 (or 102415 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 7680525 is about 2771.3760120200. The cubic root of 7680525 is about 197.3014615431.

It can be divided in two parts, 76 and 80525, that added together give a triangular number (80601 = T401).

The spelling of 7680525 in words is "seven million, six hundred eighty thousand, five hundred twenty-five".

Divisors: 1 3 5 15 25 75 102407 307221 512035 1536105 2560175 7680525