Search a number
-
+
115966525 = 5231714633
BaseRepresentation
bin1101110100110…
…00001000111101
322002012201011111
412322120020331
5214141412100
615301322021
72605461553
oct672301075
9262181144
10115966525
115a507404
1232a06311
131b04405c
1411589bd3
15a2aa6ba
hex6e9823d

115966525 has 12 divisors (see below), whose sum is σ = 144261972. Its totient is φ = 92474240.

The previous prime is 115966523. The next prime is 115966541. The reversal of 115966525 is 525669511.

It can be written as a sum of positive squares in 6 ways, for example, as 57198969 + 58767556 = 7563^2 + 7666^2 .

It is not a de Polignac number, because 115966525 - 21 = 115966523 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 (115966523) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609 + ... + 15241.

It is an arithmetic number, because the mean of its divisors is an integer number (12021831).

Almost surely, 2115966525 is an apocalyptic number.

It is an amenable number.

115966525 is a deficient number, since it is larger than the sum of its proper divisors (28295447).

115966525 is a wasteful number, since it uses less digits than its factorization.

115966525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14960 (or 14955 counting only the distinct ones).

The product of its digits is 81000, while the sum is 40.

The square root of 115966525 is about 10768.7754642763. The cubic root of 115966525 is about 487.6529785076.

The spelling of 115966525 in words is "one hundred fifteen million, nine hundred sixty-six thousand, five hundred twenty-five".

Divisors: 1 5 25 317 1585 7925 14633 73165 365825 4638661 23193305 115966525