Search a number
-
+
15056072 = 231882009
BaseRepresentation
bin111001011011…
…110011001000
31001022221001022
4321123303020
512323243242
61254412012
7241655153
oct71336310
931287038
1015056072
118553939
125061008
133172025
141ddcc9a
1514c60d2
hexe5bcc8

15056072 has 8 divisors (see below), whose sum is σ = 28230150. Its totient is φ = 7528032.

The previous prime is 15056071. The next prime is 15056087. The reversal of 15056072 is 27065051.

It can be written as a sum of positive squares in only one way, i.e., 10329796 + 4726276 = 3214^2 + 2174^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (15056071) 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 as a sum of consecutive naturals, namely, 940997 + ... + 941012.

Almost surely, 215056072 is an apocalyptic number.

It is an amenable number.

15056072 is a deficient number, since it is larger than the sum of its proper divisors (13174078).

15056072 is a wasteful number, since it uses less digits than its factorization.

15056072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882015 (or 1882011 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 15056072 is about 3880.2154579353. The cubic root of 15056072 is about 246.9281263010.

The spelling of 15056072 in words is "fifteen million, fifty-six thousand, seventy-two".

Divisors: 1 2 4 8 1882009 3764018 7528036 15056072