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115421264 = 2472147221
BaseRepresentation
bin1101110000100…
…11000001010000
322001012000012122
412320103001100
5214021440024
615241513412
72601031100
oct670230120
9261160178
10115421264
115a174782
12327a2868
131abb2b0a
1411487200
15a1edd5e
hex6e13050

115421264 has 30 divisors (see below), whose sum is σ = 260141274. Its totient is φ = 49465920.

The previous prime is 115421239. The next prime is 115421281. The reversal of 115421264 is 462124511.

It can be written as a sum of positive squares in only one way, i.e., 102171664 + 13249600 = 10108^2 + 3640^2 .

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 72827 + ... + 74394.

Almost surely, 2115421264 is an apocalyptic number.

115421264 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

115421264 is an abundant number, since it is smaller than the sum of its proper divisors (144720010).

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

115421264 is a wasteful number, since it uses less digits than its factorization.

115421264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147243 (or 147230 counting only the distinct ones).

The product of its digits is 1920, while the sum is 26.

The square root of 115421264 is about 10743.4288753638. The cubic root of 115421264 is about 486.8874817882.

Adding to 115421264 its reverse (462124511), we get a palindrome (577545775).

The spelling of 115421264 in words is "one hundred fifteen million, four hundred twenty-one thousand, two hundred sixty-four".

Divisors: 1 2 4 7 8 14 16 28 49 56 98 112 196 392 784 147221 294442 588884 1030547 1177768 2061094 2355536 4122188 7213829 8244376 14427658 16488752 28855316 57710632 115421264