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4387625 = 53113191
BaseRepresentation
bin10000101111001100101001
322020220200122
4100233030221
52110401000
6234013025
752202624
oct20571451
98226618
104387625
112527540
121577175
13ba8138
14822dbb
155ba085
hex42f329

4387625 has 16 divisors (see below), whose sum is σ = 5975424. Its totient is φ = 3190000.

The previous prime is 4387619. The next prime is 4387633. The reversal of 4387625 is 5267834.

It is a happy number.

It is not a de Polignac number, because 4387625 - 24 = 4387609 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 15 ways as a sum of consecutive naturals, for example, 221 + ... + 2970.

It is an arithmetic number, because the mean of its divisors is an integer number (373464).

Almost surely, 24387625 is an apocalyptic number.

It is an amenable number.

4387625 is a deficient number, since it is larger than the sum of its proper divisors (1587799).

4387625 is a wasteful number, since it uses less digits than its factorization.

4387625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3217 (or 3207 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 4387625 is about 2094.6658444726. The cubic root of 4387625 is about 163.7104871351.

The spelling of 4387625 in words is "four million, three hundred eighty-seven thousand, six hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 3191 15955 35101 79775 175505 398875 877525 4387625