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115400455 = 5127263691
BaseRepresentation
bin1101110000011…
…01111100000111
322001010221122221
412320031330013
5214020303310
615241233211
72600613322
oct670157407
9261127587
10115400455
115a160085
1232792807
131aba64c1
141147d7b9
15a1e7ada
hex6e0df07

115400455 has 16 divisors (see below), whose sum is σ = 140304384. Its totient is φ = 91113120.

The previous prime is 115400431. The next prime is 115400497. The reversal of 115400455 is 554004511.

It is a happy number.

It is not a de Polignac number, because 115400455 - 25 = 115400423 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166660 + ... + 167350.

It is an arithmetic number, because the mean of its divisors is an integer number (8769024).

Almost surely, 2115400455 is an apocalyptic number.

115400455 is a deficient number, since it is larger than the sum of its proper divisors (24903929).

115400455 is a wasteful number, since it uses less digits than its factorization.

115400455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 115400455 is about 10742.4603792614. The cubic root of 115400455 is about 486.8582201363.

Adding to 115400455 its reverse (554004511), we get a palindrome (669404966).

The spelling of 115400455 in words is "one hundred fifteen million, four hundred thousand, four hundred fifty-five".

Divisors: 1 5 127 263 635 691 1315 3455 33401 87757 167005 181733 438785 908665 23080091 115400455