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115224500 = 2253230449
BaseRepresentation
bin1101101111000…
…10111110110100
322000211000022002
412313202332310
5213444141000
615233354432
72566251326
oct667427664
9260730262
10115224500
115a04a966
1232708a18
131ab443a1
1411435616
15a1b08d5
hex6de2fb4

115224500 has 24 divisors (see below), whose sum is σ = 251651400. Its totient is φ = 46089600.

The previous prime is 115224497. The next prime is 115224517. The reversal of 115224500 is 5422511.

It can be written as a sum of positive squares in 4 ways, for example, as 3118756 + 112105744 = 1766^2 + 10588^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114725 + ... + 115724.

It is an arithmetic number, because the mean of its divisors is an integer number (10485475).

Almost surely, 2115224500 is an apocalyptic number.

115224500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

115224500 is an abundant number, since it is smaller than the sum of its proper divisors (136426900).

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

115224500 is a wasteful number, since it uses less digits than its factorization.

115224500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230468 (or 230456 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 115224500 is about 10734.2675576865. The cubic root of 115224500 is about 486.6106511705.

It can be divided in two parts, 1152 and 24500, that added together give a palindrome (25652).

The spelling of 115224500 in words is "one hundred fifteen million, two hundred twenty-four thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 230449 460898 921796 1152245 2304490 4608980 5761225 11522450 23044900 28806125 57612250 115224500