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115980369 = 3103375341
BaseRepresentation
bin1101110100110…
…11100001010001
322002020102011020
412322123201101
5214142332434
615301510053
72605550121
oct672334121
9262212136
10115980369
115a51684a
1232a12329
131b04a44b
1411590c81
15a2ae849
hex6e9b851

115980369 has 8 divisors (see below), whose sum is σ = 156142272. Its totient is φ = 76569360.

The previous prime is 115980343. The next prime is 115980383. The reversal of 115980369 is 963089511.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 115980369 - 211 = 115978321 is a prime.

It is a super-2 number, since 2×1159803692 = 26902891986752322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 115980369.

It is not an unprimeable number, because it can be changed into a prime (115980169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187362 + ... + 187979.

It is an arithmetic number, because the mean of its divisors is an integer number (19517784).

Almost surely, 2115980369 is an apocalyptic number.

It is an amenable number.

115980369 is a deficient number, since it is larger than the sum of its proper divisors (40161903).

115980369 is a wasteful number, since it uses less digits than its factorization.

115980369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375447.

The product of its (nonzero) digits is 58320, while the sum is 42.

The square root of 115980369 is about 10769.4182294124. The cubic root of 115980369 is about 487.6723829556.

The spelling of 115980369 in words is "one hundred fifteen million, nine hundred eighty thousand, three hundred sixty-nine".

Divisors: 1 3 103 309 375341 1126023 38660123 115980369