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299997125 = 532399977
BaseRepresentation
bin10001111000011…
…001011111000101
3202220111102200122
4101320121133011
51103244402000
645433551325
710301635121
oct2170313705
9686442618
10299997125
1114438230a
1284575545
134a1c96bc
142bbb2581
151b50d085
hex11e197c5

299997125 has 8 divisors (see below), whose sum is σ = 374396568. Its totient is φ = 239997600.

The previous prime is 299997101. The next prime is 299997127. The reversal of 299997125 is 521799992.

It can be written as a sum of positive squares in 4 ways, for example, as 8031556 + 291965569 = 2834^2 + 17087^2 .

It is not a de Polignac number, because 299997125 - 28 = 299996869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299997127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199864 + ... + 1200113.

It is an arithmetic number, because the mean of its divisors is an integer number (46799571).

Almost surely, 2299997125 is an apocalyptic number.

299997125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

299997125 is a deficient number, since it is larger than the sum of its proper divisors (74399443).

299997125 is an equidigital number, since it uses as much as digits as its factorization.

299997125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2399992 (or 2399982 counting only the distinct ones).

The product of its digits is 918540, while the sum is 53.

The square root of 299997125 is about 17320.4250813887. The cubic root of 299997125 is about 669.4308116090.

The spelling of 299997125 in words is "two hundred ninety-nine million, nine hundred ninety-seven thousand, one hundred twenty-five".

Divisors: 1 5 25 125 2399977 11999885 59999425 299997125