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115530532 = 22132221741
BaseRepresentation
bin1101110001011…
…01101100100100
322001101120002121
412320231230210
5214033434112
615244115324
72601664465
oct670555444
9261346077
10115530532
115a239887
1232835b44
131ac20780
14114b4d6c
15a221407
hex6e2db24

115530532 has 12 divisors (see below), whose sum is σ = 217730716. Its totient is φ = 53321760.

The previous prime is 115530529. The next prime is 115530533. The reversal of 115530532 is 235035511.

It can be written as a sum of positive squares in 2 ways, for example, as 45239076 + 70291456 = 6726^2 + 8384^2 .

It is a super-3 number, since 3×1155305323 (a number of 25 digits) contains 333 as substring.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 115530497 and 115530506.

It is not an unprimeable number, because it can be changed into a prime (115530533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110819 + ... + 1110922.

Almost surely, 2115530532 is an apocalyptic number.

It is an amenable number.

115530532 is a deficient number, since it is larger than the sum of its proper divisors (102200184).

115530532 is a wasteful number, since it uses less digits than its factorization.

115530532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221758 (or 2221756 counting only the distinct ones).

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 115530532 is about 10748.5130134359. The cubic root of 115530532 is about 487.0410769462.

The spelling of 115530532 in words is "one hundred fifteen million, five hundred thirty thousand, five hundred thirty-two".

Divisors: 1 2 4 13 26 52 2221741 4443482 8886964 28882633 57765266 115530532