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5657807 = 9775791
BaseRepresentation
bin10101100101010011001111
3101122110001102
4111211103033
52422022212
6321133315
766043031
oct25452317
911573042
105657807
113214881
121a8a23b
13123131c
14a73c51
1576b5c2
hex5654cf

5657807 has 4 divisors (see below), whose sum is σ = 5664576. Its totient is φ = 5651040.

The previous prime is 5657789. The next prime is 5657831. The reversal of 5657807 is 7087565.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5657807 - 28 = 5657551 is a prime.

It is a super-3 number, since 3×56578073 (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5657837) 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, 1919 + ... + 3872.

It is an arithmetic number, because the mean of its divisors is an integer number (1416144).

Almost surely, 25657807 is an apocalyptic number.

5657807 is a deficient number, since it is larger than the sum of its proper divisors (6769).

5657807 is an equidigital number, since it uses as much as digits as its factorization.

5657807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6768.

The product of its (nonzero) digits is 58800, while the sum is 38.

The square root of 5657807 is about 2378.6145126943. The cubic root of 5657807 is about 178.1897463200.

The spelling of 5657807 in words is "five million, six hundred fifty-seven thousand, eight hundred seven".

Divisors: 1 977 5791 5657807