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115033829 = 145179279
BaseRepresentation
bin1101101101101…
…00011011100101
322000110022202012
412312310123211
5213422040304
615225324005
72564525411
oct666643345
9260408665
10115033829
1159a2a689
1232636605
131aaa8671
14113c5d41
15a17416e
hex6db46e5

115033829 has 4 divisors (see below), whose sum is σ = 115114560. Its totient is φ = 114953100.

The previous prime is 115033819. The next prime is 115033843. The reversal of 115033829 is 928330511.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 928330511 = 4719751713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115033829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 115033795 and 115033804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (115033819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38189 + ... + 41090.

It is an arithmetic number, because the mean of its divisors is an integer number (28778640).

Almost surely, 2115033829 is an apocalyptic number.

It is an amenable number.

115033829 is a deficient number, since it is larger than the sum of its proper divisors (80731).

115033829 is an equidigital number, since it uses as much as digits as its factorization.

115033829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80730.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 115033829 is about 10725.3824640429. The cubic root of 115033829 is about 486.3420920685.

The spelling of 115033829 in words is "one hundred fifteen million, thirty-three thousand, eight hundred twenty-nine".

Divisors: 1 1451 79279 115033829