Search a number
-
+
15074941 = 72153563
BaseRepresentation
bin111001100000…
…011001111101
31001100212221011
4321200121331
512324344231
61255035221
7242064160
oct71403175
931325834
1015074941
118567032
12506bb11
13317a7ab
142005ad7
1514cb9b1
hexe6067d

15074941 has 4 divisors (see below), whose sum is σ = 17228512. Its totient is φ = 12921372.

The previous prime is 15074929. The next prime is 15074951. The reversal of 15074941 is 14947051.

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.

It is a cyclic number.

It is not a de Polignac number, because 15074941 - 213 = 15066749 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15074911) 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, 1076775 + ... + 1076788.

It is an arithmetic number, because the mean of its divisors is an integer number (4307128).

Almost surely, 215074941 is an apocalyptic number.

It is an amenable number.

15074941 is a deficient number, since it is larger than the sum of its proper divisors (2153571).

15074941 is an equidigital number, since it uses as much as digits as its factorization.

15074941 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2153570.

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 15074941 is about 3882.6461337598. The cubic root of 15074941 is about 247.0312373416.

The spelling of 15074941 in words is "fifteen million, seventy-four thousand, nine hundred forty-one".

Divisors: 1 7 2153563 15074941