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15297041 = 107142963
BaseRepresentation
bin111010010110…
…101000010001
31001210011121002
4322112220101
512404001131
61303511345
7244010534
oct72265021
931704532
1015297041
1186a8991
125158555
133227906
142062a1b
1515226cb
hexe96a11

15297041 has 4 divisors (see below), whose sum is σ = 15440112. Its totient is φ = 15153972.

The previous prime is 15297017. The next prime is 15297067. The reversal of 15297041 is 14079251.

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: 14079251 = 23958909.

It is a cyclic number.

It is not a de Polignac number, because 15297041 - 218 = 15034897 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 15296995 and 15297013.

It is not an unprimeable number, because it can be changed into a prime (15297011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71375 + ... + 71588.

It is an arithmetic number, because the mean of its divisors is an integer number (3860028).

Almost surely, 215297041 is an apocalyptic number.

It is an amenable number.

15297041 is a deficient number, since it is larger than the sum of its proper divisors (143071).

15297041 is a wasteful number, since it uses less digits than its factorization.

15297041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143070.

The product of its (nonzero) digits is 2520, while the sum is 29.

The square root of 15297041 is about 3911.1431832650. The cubic root of 15297041 is about 248.2385029970.

The spelling of 15297041 in words is "fifteen million, two hundred ninety-seven thousand, forty-one".

Divisors: 1 107 142963 15297041