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115923492 = 22323220097
BaseRepresentation
bin1101110100011…
…01101000100100
322002010112010200
412322031220210
5214134022432
615300350500
72605222236
oct672155044
9262115120
10115923492
115a488043
12329a5430
131b02a5a9
1411578256
15a29ca7c
hex6e8da24

115923492 has 18 divisors (see below), whose sum is σ = 293028918. Its totient is φ = 38641152.

The previous prime is 115923487. The next prime is 115923497. The reversal of 115923492 is 294329511.

It is an interprime number because it is at equal distance from previous prime (115923487) and next prime (115923497).

It can be written as a sum of positive squares in only one way, i.e., 80568576 + 35354916 = 8976^2 + 5946^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 3220097 = 115923492 / (1 + 1 + 5 + 9 + 2 + 3 + 4 + 9 + 2).

It is not an unprimeable number, because it can be changed into a prime (115923497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1610013 + ... + 1610084.

Almost surely, 2115923492 is an apocalyptic number.

115923492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

115923492 is an abundant number, since it is smaller than the sum of its proper divisors (177105426).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

115923492 is a wasteful number, since it uses less digits than its factorization.

115923492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220107 (or 3220102 counting only the distinct ones).

The product of its digits is 19440, while the sum is 36.

The square root of 115923492 is about 10766.7772336944. Note that the first 3 decimals coincide. The cubic root of 115923492 is about 487.5926514236.

The spelling of 115923492 in words is "one hundred fifteen million, nine hundred twenty-three thousand, four hundred ninety-two".

Divisors: 1 2 3 4 6 9 12 18 36 3220097 6440194 9660291 12880388 19320582 28980873 38641164 57961746 115923492