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15052066 = 219396107
BaseRepresentation
bin111001011010…
…110100100010
31001022201112221
4321122310202
512323131231
61254341254
7241640401
oct71326442
931281487
1015052066
118550927
12505a82a
133170263
141ddb638
1514c4d11
hexe5ad22

15052066 has 8 divisors (see below), whose sum is σ = 23766480. Its totient is φ = 7129908.

The previous prime is 15052057. The next prime is 15052067. The reversal of 15052066 is 66025051.

15052066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 15052066.

It is not an unprimeable number, because it can be changed into a prime (15052067) 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, 198016 + ... + 198091.

It is an arithmetic number, because the mean of its divisors is an integer number (2970810).

Almost surely, 215052066 is an apocalyptic number.

15052066 is a deficient number, since it is larger than the sum of its proper divisors (8714414).

15052066 is a wasteful number, since it uses less digits than its factorization.

15052066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396128.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 15052066 is about 3879.6992151454. The cubic root of 15052066 is about 246.9062241338.

The spelling of 15052066 in words is "fifteen million, fifty-two thousand, sixty-six".

Divisors: 1 2 19 38 396107 792214 7526033 15052066