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65226401 = 253125771
BaseRepresentation
bin1111100011010…
…0011010100001
311112201211210122
43320310122201
5113144221101
610250010025
71421262302
oct370643241
9145654718
1065226401
1133900619
1219a16915
1310689b06
14893c7a9
155ad651b
hex3e346a1

65226401 has 4 divisors (see below), whose sum is σ = 65254704. Its totient is φ = 65198100.

The previous prime is 65226397. The next prime is 65226431. The reversal of 65226401 is 10462256.

65226401 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 65226401 - 22 = 65226397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65226431) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 10355 + ... + 15416.

It is an arithmetic number, because the mean of its divisors is an integer number (16313676).

Almost surely, 265226401 is an apocalyptic number.

It is an amenable number.

65226401 is a deficient number, since it is larger than the sum of its proper divisors (28303).

65226401 is a wasteful number, since it uses less digits than its factorization.

65226401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28302.

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 65226401 is about 8076.2863371725. The cubic root of 65226401 is about 402.5388535465.

Adding to 65226401 its reverse (10462256), we get a palindrome (75688657).

The spelling of 65226401 in words is "sixty-five million, two hundred twenty-six thousand, four hundred one".

Divisors: 1 2531 25771 65226401