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230079725 = 529203189
BaseRepresentation
bin11011011011010…
…11110011101101
3121000221021001022
431231223303231
5432400022400
634455223525
75462434241
oct1555536355
9530837038
10230079725
11108968337
1265077ba5
1338889665
14227b2421
15152ebb85
hexdb6bced

230079725 has 6 divisors (see below), whose sum is σ = 285298890. Its totient is φ = 184063760.

The previous prime is 230079719. The next prime is 230079743. The reversal of 230079725 is 527970032.

It can be written as a sum of positive squares in 3 ways, for example, as 21883684 + 208196041 = 4678^2 + 14429^2 .

It is not a de Polignac number, because 230079725 - 226 = 162970861 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4601570 + ... + 4601619.

It is an arithmetic number, because the mean of its divisors is an integer number (47549815).

Almost surely, 2230079725 is an apocalyptic number.

230079725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

230079725 is a deficient number, since it is larger than the sum of its proper divisors (55219165).

230079725 is an equidigital number, since it uses as much as digits as its factorization.

230079725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9203199 (or 9203194 counting only the distinct ones).

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 230079725 is about 15168.3791157790. The cubic root of 230079725 is about 612.7633519751.

The spelling of 230079725 in words is "two hundred thirty million, seventy-nine thousand, seven hundred twenty-five".

Divisors: 1 5 25 9203189 46015945 230079725