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115439025 = 35213118399
BaseRepresentation
bin1101110000101…
…11010110110001
322001012220120110
412320113112301
5214023022100
615242131533
72601133632
oct670272661
9261186513
10115439025
115a187059
12327b0ba9
131abbac20
141148d889
15a204250
hex6e175b1

115439025 has 24 divisors (see below), whose sum is σ = 205542400. Its totient is φ = 56831040.

The previous prime is 115438991. The next prime is 115439039. The reversal of 115439025 is 520934511.

It is not a de Polignac number, because 115439025 - 212 = 115434929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 115438983 and 115439001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58225 + ... + 60174.

Almost surely, 2115439025 is an apocalyptic number.

115439025 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

115439025 is a deficient number, since it is larger than the sum of its proper divisors (90103375).

115439025 is a wasteful number, since it uses less digits than its factorization.

115439025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118425 (or 118420 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 115439025 is about 10744.2554418629. The cubic root of 115439025 is about 486.9124545553.

The spelling of 115439025 in words is "one hundred fifteen million, four hundred thirty-nine thousand, twenty-five".

Divisors: 1 3 5 13 15 25 39 65 75 195 325 975 118399 355197 591995 1539187 1775985 2959975 4617561 7695935 8879925 23087805 38479675 115439025