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115213339 = 274941911
BaseRepresentation
bin1101101111000…
…00010000011011
322000210102222201
412313200100123
5213443311324
615233231031
72566203643
oct667402033
9260712881
10115213339
115a04253a
1232702477
131ab3c297
1411431523
15a1ac444
hex6de041b

115213339 has 4 divisors (see below), whose sum is σ = 115258000. Its totient is φ = 115168680.

The previous prime is 115213313. The next prime is 115213349. The reversal of 115213339 is 933312511.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 933312511 = 4719857713.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-115213339 is a prime.

It is a super-2 number, since 2×1152133392 = 26548226967057842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (115213349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18207 + ... + 23704.

It is an arithmetic number, because the mean of its divisors is an integer number (28814500).

Almost surely, 2115213339 is an apocalyptic number.

115213339 is a deficient number, since it is larger than the sum of its proper divisors (44661).

115213339 is an equidigital number, since it uses as much as digits as its factorization.

115213339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44660.

The product of its digits is 2430, while the sum is 28.

The square root of 115213339 is about 10733.7476679862. The cubic root of 115213339 is about 486.5949391276.

The spelling of 115213339 in words is "one hundred fifteen million, two hundred thirteen thousand, three hundred thirty-nine".

Divisors: 1 2749 41911 115213339