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115431036 = 22372575347
BaseRepresentation
bin1101110000101…
…01011001111100
322001012111121120
412320111121330
5214022243121
615242030540
72601101430
oct670253174
9261174546
10115431036
115a181056
12327a8450
131abb73b6
141148a9c0
15a201bc6
hex6e1567c

115431036 has 48 divisors (see below), whose sum is σ = 309071616. Its totient is φ = 32845824.

The previous prime is 115431007. The next prime is 115431053. The reversal of 115431036 is 630134511.

It is a junction number, because it is equal to n+sod(n) for n = 115430997 and 115431015.

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, 18915 + ... + 24261.

It is an arithmetic number, because the mean of its divisors is an integer number (6438992).

Almost surely, 2115431036 is an apocalyptic number.

It is an amenable number.

115431036 is an abundant number, since it is smaller than the sum of its proper divisors (193640580).

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

115431036 is a wasteful number, since it uses less digits than its factorization.

115431036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5618 (or 5616 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 115431036 is about 10743.8836553641. The cubic root of 115431036 is about 486.9012219779.

Adding to 115431036 its reverse (630134511), we get a palindrome (745565547).

The spelling of 115431036 in words is "one hundred fifteen million, four hundred thirty-one thousand, thirty-six".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 257 514 771 1028 1542 1799 3084 3598 5347 5397 7196 10694 10794 16041 21388 21588 32082 37429 64164 74858 112287 149716 224574 449148 1374179 2748358 4122537 5496716 8245074 9619253 16490148 19238506 28857759 38477012 57715518 115431036