Search a number
-
+
65244057 = 331701549
BaseRepresentation
bin1111100011100…
…0101110011001
311112202202000120
43320320232121
5113200302212
610250223453
71421364624
oct370705631
9145682016
1065244057
113391290a
1219a24b89
1310694b68
148944dbb
155adb88c
hex3e38b99

65244057 has 8 divisors (see below), whose sum is σ = 89798400. Its totient is φ = 42092880.

The previous prime is 65244017. The next prime is 65244083. The reversal of 65244057 is 75044256.

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

It is not a de Polignac number, because 65244057 - 26 = 65243993 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (65244017) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 350682 + ... + 350867.

It is an arithmetic number, because the mean of its divisors is an integer number (11224800).

Almost surely, 265244057 is an apocalyptic number.

It is an amenable number.

65244057 is a deficient number, since it is larger than the sum of its proper divisors (24554343).

65244057 is a wasteful number, since it uses less digits than its factorization.

65244057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 701583.

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 65244057 is about 8077.3793398602. The cubic root of 65244057 is about 402.5751710739.

The spelling of 65244057 in words is "sixty-five million, two hundred forty-four thousand, fifty-seven".

Divisors: 1 3 31 93 701549 2104647 21748019 65244057