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3138325 = 52196607
BaseRepresentation
bin1011111110001100010101
312220102222021
423332030111
51300411300
6151133141
735450431
oct13761425
95812867
103138325
111853963
1210741b1
1385b5c8
145b99c1
1541ed1a
hex2fe315

3138325 has 12 divisors (see below), whose sum is σ = 4096960. Its totient is φ = 2378160.

The previous prime is 3138299. The next prime is 3138329. The reversal of 3138325 is 5238313.

It is not a de Polignac number, because 3138325 - 217 = 3007253 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 3138325.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3138329) 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, 2829 + ... + 3778.

Almost surely, 23138325 is an apocalyptic number.

It is an amenable number.

3138325 is a deficient number, since it is larger than the sum of its proper divisors (958635).

3138325 is a wasteful number, since it uses less digits than its factorization.

3138325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6636 (or 6631 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 3138325 is about 1771.5318230277. The cubic root of 3138325 is about 146.4083924489.

The spelling of 3138325 in words is "three million, one hundred thirty-eight thousand, three hundred twenty-five".

Divisors: 1 5 19 25 95 475 6607 33035 125533 165175 627665 3138325