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115453390 = 2513888103
BaseRepresentation
bin1101110000110…
…10110111001110
322001020122021111
412320122313032
5214024002030
615242322234
72601223543
oct670326716
9261218244
10115453390
115a196928
12327b937a
131abc4620
1411494bca
15a20862a
hex6e1adce

115453390 has 16 divisors (see below), whose sum is σ = 223802208. Its totient is φ = 42628896.

The previous prime is 115453363. The next prime is 115453391. The reversal of 115453390 is 93354511.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115453391) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 443922 + ... + 444181.

It is an arithmetic number, because the mean of its divisors is an integer number (13987638).

Almost surely, 2115453390 is an apocalyptic number.

115453390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

115453390 is a deficient number, since it is larger than the sum of its proper divisors (108348818).

115453390 is a wasteful number, since it uses less digits than its factorization.

115453390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 888123.

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 115453390 is about 10744.9239178321. The cubic root of 115453390 is about 486.9326505196.

The spelling of 115453390 in words is "one hundred fifteen million, four hundred fifty-three thousand, three hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 888103 1776206 4440515 8881030 11545339 23090678 57726695 115453390