Search a number
-
+
65144014 = 2132505539
BaseRepresentation
bin1111100010000…
…0010011001110
311112120122210021
43320200103032
5113134102024
610244132354
71420500145
oct370402316
9145518707
1065144014
1133854731
12199970ba
131065b470
14891a75c
155abbde4
hex3e204ce

65144014 has 8 divisors (see below), whose sum is σ = 105232680. Its totient is φ = 30066456.

The previous prime is 65144003. The next prime is 65144041. The reversal of 65144014 is 41044156.

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 65144014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1252744 + ... + 1252795.

It is an arithmetic number, because the mean of its divisors is an integer number (13154085).

Almost surely, 265144014 is an apocalyptic number.

65144014 is a deficient number, since it is larger than the sum of its proper divisors (40088666).

65144014 is a wasteful number, since it uses less digits than its factorization.

65144014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2505554.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 65144014 is about 8071.1841758196. The cubic root of 65144014 is about 402.3693008251.

The spelling of 65144014 in words is "sixty-five million, one hundred forty-four thousand, fourteen".

Divisors: 1 2 13 26 2505539 5011078 32572007 65144014