Search a number
-
+
15039966 = 232506661
BaseRepresentation
bin111001010111…
…110111011110
31001022002221210
4321113313132
512322234331
61254205250
7241560204
oct71276736
931262853
1015039966
118542827
125053826
1331678b6
141dd7074
1514c1446
hexe57dde

15039966 has 8 divisors (see below), whose sum is σ = 30079944. Its totient is φ = 5013320.

The previous prime is 15039949. The next prime is 15039967. The reversal of 15039966 is 66993051.

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

15039966 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15039967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253325 + ... + 1253336.

It is an arithmetic number, because the mean of its divisors is an integer number (3759993).

Almost surely, 215039966 is an apocalyptic number.

15039966 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

15039966 is a wasteful number, since it uses less digits than its factorization.

15039966 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506666.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 15039966 is about 3878.1395023903. The cubic root of 15039966 is about 246.8400457054.

The spelling of 15039966 in words is "fifteen million, thirty-nine thousand, nine hundred sixty-six".

Divisors: 1 2 3 6 2506661 5013322 7519983 15039966