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4945825 = 521811093
BaseRepresentation
bin10010110111011110100001
3100022021101201
4102313132201
52231231300
6254001201
760016213
oct22673641
910267351
104945825
112878965
1217a6201
131042231
1492a5b3
1567a66a
hex4b77a1

4945825 has 12 divisors (see below), whose sum is σ = 6172348. Its totient is φ = 3931200.

The previous prime is 4945813. The next prime is 4945849. The reversal of 4945825 is 5285494.

It can be written as a sum of positive squares in 6 ways, for example, as 110224 + 4835601 = 332^2 + 2199^2 .

It is not a de Polignac number, because 4945825 - 211 = 4943777 is a prime.

It is a super-2 number, since 2×49458252 = 48922369861250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

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, 3979 + ... + 5071.

Almost surely, 24945825 is an apocalyptic number.

It is an amenable number.

4945825 is a deficient number, since it is larger than the sum of its proper divisors (1226523).

4945825 is a wasteful number, since it uses less digits than its factorization.

4945825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1284 (or 1279 counting only the distinct ones).

The product of its digits is 57600, while the sum is 37.

The square root of 4945825 is about 2223.9210867295. The cubic root of 4945825 is about 170.3777643148.

The spelling of 4945825 in words is "four million, nine hundred forty-five thousand, eight hundred twenty-five".

Divisors: 1 5 25 181 905 1093 4525 5465 27325 197833 989165 4945825