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115430900 = 22521388793
BaseRepresentation
bin1101110000101…
…01010111110100
322001012111102112
412320111113310
5214022242100
615242030152
72601101144
oct670252764
9261174375
10115430900
115a180a42
12327a8358
131abb7310
141148a924
15a201b35
hex6e155f4

115430900 has 36 divisors (see below), whose sum is σ = 269756172. Its totient is φ = 42620160.

The previous prime is 115430899. The next prime is 115430923. The reversal of 115430900 is 9034511.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 39287824 + 76143076 = 6268^2 + 8726^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43097 + ... + 45696.

It is an arithmetic number, because the mean of its divisors is an integer number (7493227).

Almost surely, 2115430900 is an apocalyptic number.

115430900 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115430900 is an abundant number, since it is smaller than the sum of its proper divisors (154325272).

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

115430900 is a wasteful number, since it uses less digits than its factorization.

115430900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88820 (or 88813 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 115430900 is about 10743.8773261798. The cubic root of 115430900 is about 486.9010307567.

The spelling of 115430900 in words is "one hundred fifteen million, four hundred thirty thousand, nine hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 88793 177586 355172 443965 887930 1154309 1775860 2219825 2308618 4439650 4617236 5771545 8879300 11543090 23086180 28857725 57715450 115430900