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15255125 = 53122041
BaseRepresentation
bin111010001100…
…011001010101
31001201001002122
4322030121111
512401131000
61302545325
7243444404
oct72143125
931631078
1015255125
11867a446
125138245
133211802
14205163b
151515085
hexe8c655

15255125 has 8 divisors (see below), whose sum is σ = 19038552. Its totient is φ = 12204000.

The previous prime is 15255101. The next prime is 15255127. The reversal of 15255125 is 52155251.

15255125 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1874161 + 13380964 = 1369^2 + 3658^2 .

It is not a de Polignac number, because 15255125 - 26 = 15255061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15255094 and 15255103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15255127) 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, 60896 + ... + 61145.

It is an arithmetic number, because the mean of its divisors is an integer number (2379819).

Almost surely, 215255125 is an apocalyptic number.

It is an amenable number.

15255125 is a deficient number, since it is larger than the sum of its proper divisors (3783427).

15255125 is an equidigital number, since it uses as much as digits as its factorization.

15255125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122056 (or 122046 counting only the distinct ones).

The product of its digits is 2500, while the sum is 26.

The square root of 15255125 is about 3905.7809718416. The cubic root of 15255125 is about 248.0115596849.

The spelling of 15255125 in words is "fifteen million, two hundred fifty-five thousand, one hundred twenty-five".

Divisors: 1 5 25 125 122041 610205 3051025 15255125