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64053061 = 614310427
BaseRepresentation
bin1111010001010…
…1111101000101
311110112020021121
43310111331011
5112344144221
610204513541
71405304422
oct364257505
9143466247
1064053061
113317a016
121954b8b1
1310368a27
148714d49
155953a41
hex3d15f45

64053061 has 4 divisors (see below), whose sum is σ = 64069632. Its totient is φ = 64036492.

The previous prime is 64053049. The next prime is 64053071. The reversal of 64053061 is 16035046.

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 a de Polignac number, because none of the positive numbers 2k-64053061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64053071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 930 + ... + 11356.

It is an arithmetic number, because the mean of its divisors is an integer number (16017408).

Almost surely, 264053061 is an apocalyptic number.

It is an amenable number.

64053061 is a deficient number, since it is larger than the sum of its proper divisors (16571).

64053061 is a wasteful number, since it uses less digits than its factorization.

64053061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16570.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 64053061 is about 8003.3156254143. The cubic root of 64053061 is about 400.1105132143.

The spelling of 64053061 in words is "sixty-four million, fifty-three thousand, sixty-one".

Divisors: 1 6143 10427 64053061