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7685052 = 223640421
BaseRepresentation
bin11101010100001110111100
3112110102220120
4131110032330
53431410202
6432414540
7122215254
oct35241674
915412816
107685052
114379991
1226a7450
131790c8b
141040964
15a1c0bc
hex7543bc

7685052 has 12 divisors (see below), whose sum is σ = 17931816. Its totient is φ = 2561680.

The previous prime is 7685047. The next prime is 7685057. The reversal of 7685052 is 2505867.

It is a happy number.

7685052 is digitally balanced in base 5, 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 (7685047) and next prime (7685057).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685057) 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 3 ways as a sum of consecutive naturals, for example, 320199 + ... + 320222.

It is an arithmetic number, because the mean of its divisors is an integer number (1494318).

Almost surely, 27685052 is an apocalyptic number.

It is an amenable number.

7685052 is an abundant number, since it is smaller than the sum of its proper divisors (10246764).

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

7685052 is a wasteful number, since it uses less digits than its factorization.

7685052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640428 (or 640426 counting only the distinct ones).

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

The square root of 7685052 is about 2772.1926339993. The cubic root of 7685052 is about 197.3402179341.

The spelling of 7685052 in words is "seven million, six hundred eighty-five thousand, fifty-two".

Divisors: 1 2 3 4 6 12 640421 1280842 1921263 2561684 3842526 7685052