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4668025 = 52613061
BaseRepresentation
bin10001110011101001111001
322210011022211
4101303221321
52143334100
6244015121
754451255
oct21635171
98704284
104668025
1126a917a
1216914a1
13c7595b
14897265
156231ba
hex473a79

4668025 has 12 divisors (see below), whose sum is σ = 5885164. Its totient is φ = 3672000.

The previous prime is 4668023. The next prime is 4668049. The reversal of 4668025 is 5208664.

It can be written as a sum of positive squares in 6 ways, for example, as 118336 + 4549689 = 344^2 + 2133^2 .

It is not a de Polignac number, because 4668025 - 21 = 4668023 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4668023) 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 11 ways as a sum of consecutive naturals, for example, 6 + ... + 3055.

Almost surely, 24668025 is an apocalyptic number.

It is an amenable number.

4668025 is a deficient number, since it is larger than the sum of its proper divisors (1217139).

4668025 is a wasteful number, since it uses less digits than its factorization.

4668025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 4668025 is about 2160.5612696705. The cubic root of 4668025 is about 167.1261432348.

The spelling of 4668025 in words is "four million, six hundred sixty-eight thousand, twenty-five".

Divisors: 1 5 25 61 305 1525 3061 15305 76525 186721 933605 4668025