Search a number
-
+
64202144 = 252006317
BaseRepresentation
bin1111010011101…
…0010110100000
311110210210210012
43310322112200
5112413432034
610212024052
71406465156
oct364722640
9143723705
1064202144
1133271026
1219602028
13103bb846
1487533d6
155982cce
hex3d3a5a0

64202144 has 12 divisors (see below), whose sum is σ = 126398034. Its totient is φ = 32101056.

The previous prime is 64202129. The next prime is 64202153. The reversal of 64202144 is 44120246.

64202144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 64192144 + 10000 = 8012^2 + 100^2 .

It is an unprimeable number.

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, 1003127 + ... + 1003190.

Almost surely, 264202144 is an apocalyptic number.

It is an amenable number.

64202144 is a deficient number, since it is larger than the sum of its proper divisors (62195890).

64202144 is a wasteful number, since it uses less digits than its factorization.

64202144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006327 (or 2006319 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 64202144 is about 8012.6240396015. The cubic root of 64202144 is about 400.4206907265.

It can be divided in two parts, 64202 and 144, that added together give a palindrome (64346).

The spelling of 64202144 in words is "sixty-four million, two hundred two thousand, one hundred forty-four".

Divisors: 1 2 4 8 16 32 2006317 4012634 8025268 16050536 32101072 64202144