Search a number
-
+
115228525 = 529914651
BaseRepresentation
bin1101101111000…
…11111101101101
322000211012211011
412313203331231
5213444303100
615233425221
72566266136
oct667437555
9260735734
10115228525
115a052995
123270b211
131ab46179
1411436c8d
15a1b1bba
hex6de3f6d

115228525 has 12 divisors (see below), whose sum is σ = 143058304. Its totient is φ = 92070000.

The previous prime is 115228523. The next prime is 115228541. The reversal of 115228525 is 525822511.

It is not a de Polignac number, because 115228525 - 21 = 115228523 is a prime.

It is a super-2 number, since 2×1152285252 = 26555225947351250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115228523) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22450 + ... + 27100.

Almost surely, 2115228525 is an apocalyptic number.

It is an amenable number.

115228525 is a deficient number, since it is larger than the sum of its proper divisors (27829779).

115228525 is an equidigital number, since it uses as much as digits as its factorization.

115228525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5652 (or 5647 counting only the distinct ones).

The product of its digits is 8000, while the sum is 31.

The square root of 115228525 is about 10734.4550397307. The cubic root of 115228525 is about 486.6163171676.

The spelling of 115228525 in words is "one hundred fifteen million, two hundred twenty-eight thousand, five hundred twenty-five".

Divisors: 1 5 25 991 4651 4955 23255 24775 116275 4609141 23045705 115228525