Search a number
-
+
15244065 = 335112919
BaseRepresentation
bin111010001001…
…101100100001
31001200110221000
4322021230201
512400302230
61302422213
7243400224
oct72115441
931613830
1015244065
118672101
125131969
133209775
14204b5bb
151511b60
hexe89b21

15244065 has 16 divisors (see below), whose sum is σ = 27100800. Its totient is φ = 8130096.

The previous prime is 15244063. The next prime is 15244081. The reversal of 15244065 is 56044251.

It is not a de Polignac number, because 15244065 - 21 = 15244063 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (15244063) 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 15 ways as a sum of consecutive naturals, for example, 56325 + ... + 56594.

It is an arithmetic number, because the mean of its divisors is an integer number (1693800).

Almost surely, 215244065 is an apocalyptic number.

15244065 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

15244065 is a deficient number, since it is larger than the sum of its proper divisors (11856735).

15244065 is a wasteful number, since it uses less digits than its factorization.

15244065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112933 (or 112927 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 15244065 is about 3904.3648651221. The cubic root of 15244065 is about 247.9516088812.

The spelling of 15244065 in words is "fifteen million, two hundred forty-four thousand, sixty-five".

Divisors: 1 3 5 9 15 27 45 135 112919 338757 564595 1016271 1693785 3048813 5081355 15244065