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115209016 = 2313412659
BaseRepresentation
bin1101101110111…
…11001100111000
322000210020001121
412313133030320
5213443142031
615233155024
72566155226
oct667371470
9260706047
10115209016
115a03a26a
12326bba74
131ab3a320
141142db16
15a1ab011
hex6ddf338

115209016 has 48 divisors (see below), whose sum is σ = 238807800. Its totient is φ = 51797760.

The previous prime is 115209011. The next prime is 115209019. The reversal of 115209016 is 610902511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115209011) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 174495 + ... + 175153.

Almost surely, 2115209016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 115209016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119403900).

115209016 is an abundant number, since it is smaller than the sum of its proper divisors (123598784).

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

115209016 is a wasteful number, since it uses less digits than its factorization.

115209016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 25.

The square root of 115209016 is about 10733.5462918832. The cubic root of 115209016 is about 486.5888530956.

The spelling of 115209016 in words is "one hundred fifteen million, two hundred nine thousand, sixteen".

Divisors: 1 2 4 8 13 26 41 52 82 104 164 328 533 659 1066 1318 1681 2132 2636 3362 4264 5272 6724 8567 13448 17134 21853 27019 34268 43706 54038 68536 87412 108076 174824 216152 351247 702494 1107779 1404988 2215558 2809976 4431116 8862232 14401127 28802254 57604508 115209016