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3138875 = 5325111
BaseRepresentation
bin1011111110010100111011
312220110201122
423332110323
51300421000
6151135455
735452145
oct13762473
95813648
103138875
111854313
12107458b
1385b92c
145b9c95
15420085
hex2fe53b

3138875 has 8 divisors (see below), whose sum is σ = 3917472. Its totient is φ = 2511000.

The previous prime is 3138869. The next prime is 3138881. The reversal of 3138875 is 5788313.

It is an interprime number because it is at equal distance from previous prime (3138869) and next prime (3138881).

It is not a de Polignac number, because 3138875 - 214 = 3122491 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431 + ... + 12680.

It is an arithmetic number, because the mean of its divisors is an integer number (489684).

Almost surely, 23138875 is an apocalyptic number.

3138875 is a deficient number, since it is larger than the sum of its proper divisors (778597).

3138875 is an equidigital number, since it uses as much as digits as its factorization.

3138875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25126 (or 25116 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 3138875 is about 1771.6870491145. The cubic root of 3138875 is about 146.4169447724.

The spelling of 3138875 in words is "three million, one hundred thirty-eight thousand, eight hundred seventy-five".

Divisors: 1 5 25 125 25111 125555 627775 3138875