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12942415 = 53769959
BaseRepresentation
bin110001010111…
…110001001111
3220100112122201
4301113301033
511303124130
61141222331
7215002663
oct61276117
926315581
1012942415
11733a912
1244019a7
1328b1c45
141a0c8a3
151209bca
hexc57c4f

12942415 has 8 divisors (see below), whose sum is σ = 15950880. Its totient is φ = 10073952.

The previous prime is 12942409. The next prime is 12942427. The reversal of 12942415 is 51424921.

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

It is a cyclic number.

It is not a de Polignac number, because 12942415 - 217 = 12811343 is a prime.

It is a super-2 number, since 2×129424152 = 335012212064450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34795 + ... + 35164.

It is an arithmetic number, because the mean of its divisors is an integer number (1993860).

Almost surely, 212942415 is an apocalyptic number.

12942415 is a deficient number, since it is larger than the sum of its proper divisors (3008465).

12942415 is an equidigital number, since it uses as much as digits as its factorization.

12942415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70001.

The product of its digits is 2880, while the sum is 28.

The square root of 12942415 is about 3597.5568098364. The cubic root of 12942415 is about 234.7857712666.

The spelling of 12942415 in words is "twelve million, nine hundred forty-two thousand, four hundred fifteen".

Divisors: 1 5 37 185 69959 349795 2588483 12942415