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15005093 = 29517417
BaseRepresentation
bin111001001111…
…010110100101
31001020100010012
4321033112211
512320130333
61253340005
7241353425
oct71172645
931210105
1015005093
118519604
125037605
133154a6c
141dc8485
1514b5e48
hexe4f5a5

15005093 has 4 divisors (see below), whose sum is σ = 15522540. Its totient is φ = 14487648.

The previous prime is 15005087. The next prime is 15005129. The reversal of 15005093 is 39050051.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 39050051 = 116333577.

It can be written as a sum of positive squares in 2 ways, for example, as 11847364 + 3157729 = 3442^2 + 1777^2 .

It is a cyclic number.

It is not a de Polignac number, because 15005093 - 210 = 15004069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15005063) 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, 258680 + ... + 258737.

It is an arithmetic number, because the mean of its divisors is an integer number (3880635).

Almost surely, 215005093 is an apocalyptic number.

It is an amenable number.

15005093 is a deficient number, since it is larger than the sum of its proper divisors (517447).

15005093 is an equidigital number, since it uses as much as digits as its factorization.

15005093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517446.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 15005093 is about 3873.6407938785. The cubic root of 15005093 is about 246.6491163148.

The spelling of 15005093 in words is "fifteen million, five thousand, ninety-three".

Divisors: 1 29 517417 15005093