Search a number
-
+
64611201 = 3107201281
BaseRepresentation
bin1111011001111…
…0001110000001
311111120120220110
43312132032001
5113020024301
610224501533
71413120564
oct366361601
9144516813
1064611201
1133520396
121977a8a9
1310502aa5
14881c4db
155a140d6
hex3d9e381

64611201 has 8 divisors (see below), whose sum is σ = 86953824. Its totient is φ = 42671360.

The previous prime is 64611199. The next prime is 64611227. The reversal of 64611201 is 10211646.

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

It is a cyclic number.

It is not a de Polignac number, because 64611201 - 21 = 64611199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (64611251) 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, 100320 + ... + 100961.

It is an arithmetic number, because the mean of its divisors is an integer number (10869228).

Almost surely, 264611201 is an apocalyptic number.

It is an amenable number.

64611201 is a deficient number, since it is larger than the sum of its proper divisors (22342623).

64611201 is a wasteful number, since it uses less digits than its factorization.

64611201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201391.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 64611201 is about 8038.1092926135. The cubic root of 64611201 is about 401.2693033289.

Adding to 64611201 its reverse (10211646), we get a palindrome (74822847).

The spelling of 64611201 in words is "sixty-four million, six hundred eleven thousand, two hundred one".

Divisors: 1 3 107 321 201281 603843 21537067 64611201