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6662425 = 527113461
BaseRepresentation
bin11001011010100100011001
3110112111010111
4121122210121
53201144200
6354444321
7110425660
oct31324431
913474114
106662425
113840640
1222936a1
1314c3683
14c55dd7
158b90ba
hex65a919

6662425 has 24 divisors (see below), whose sum is σ = 10302912. Its totient is φ = 4152000.

The previous prime is 6662417. The next prime is 6662437. The reversal of 6662425 is 5242666.

It is not a de Polignac number, because 6662425 - 23 = 6662417 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 195 + ... + 3655.

It is an arithmetic number, because the mean of its divisors is an integer number (429288).

Almost surely, 26662425 is an apocalyptic number.

It is an amenable number.

6662425 is a deficient number, since it is larger than the sum of its proper divisors (3640487).

6662425 is a wasteful number, since it uses less digits than its factorization.

6662425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3484 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 6662425 is about 2581.1673715588. The cubic root of 6662425 is about 188.1672816962.

The spelling of 6662425 in words is "six million, six hundred sixty-two thousand, four hundred twenty-five".

Divisors: 1 5 7 11 25 35 55 77 175 275 385 1925 3461 17305 24227 38071 86525 121135 190355 266497 605675 951775 1332485 6662425