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3144625 = 53112287
BaseRepresentation
bin1011111111101110110001
312220202121121
423333232301
51301112000
6151222241
735505001
oct13775661
95822547
103144625
111858670
121077981
13861433
145bc001
15421b1a
hex2ffbb1

3144625 has 16 divisors (see below), whose sum is σ = 4283136. Its totient is φ = 2286000.

The previous prime is 3144619. The next prime is 3144689. The reversal of 3144625 is 5264413.

It is not a de Polignac number, because 3144625 - 213 = 3136433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 3144625.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232 + ... + 2518.

It is an arithmetic number, because the mean of its divisors is an integer number (267696).

Almost surely, 23144625 is an apocalyptic number.

It is an amenable number.

3144625 is a deficient number, since it is larger than the sum of its proper divisors (1138511).

3144625 is a wasteful number, since it uses less digits than its factorization.

3144625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313 (or 2303 counting only the distinct ones).

The product of its digits is 2880, while the sum is 25.

The square root of 3144625 is about 1773.3090537185. The cubic root of 3144625 is about 146.5062956677.

The spelling of 3144625 in words is "three million, one hundred forty-four thousand, six hundred twenty-five".

Divisors: 1 5 11 25 55 125 275 1375 2287 11435 25157 57175 125785 285875 628925 3144625