Search a number
-
+
56641269 = 349138453
BaseRepresentation
bin1101100000010…
…0011011110101
310221120200012210
43120010123311
5104000010034
65342004033
71255304616
oct330043365
9127520183
1056641269
1129a77473
1216b76619
13b972259
147745c0d
154e8c8e9
hex36046f5

56641269 has 8 divisors (see below), whose sum is σ = 75677472. Its totient is φ = 37682960.

The previous prime is 56641253. The next prime is 56641283. The reversal of 56641269 is 96214665.

56641269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56641269 - 24 = 56641253 is a prime.

It is a super-2 number, since 2×566412692 = 6416466707860722, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56641219) 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 7 ways as a sum of consecutive naturals, for example, 17754 + ... + 20699.

It is an arithmetic number, because the mean of its divisors is an integer number (9459684).

Almost surely, 256641269 is an apocalyptic number.

It is an amenable number.

56641269 is a deficient number, since it is larger than the sum of its proper divisors (19036203).

56641269 is a wasteful number, since it uses less digits than its factorization.

56641269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38947.

The product of its digits is 77760, while the sum is 39.

The square root of 56641269 is about 7526.0393966548. The cubic root of 56641269 is about 384.0410587065.

The spelling of 56641269 in words is "fifty-six million, six hundred forty-one thousand, two hundred sixty-nine".

Divisors: 1 3 491 1473 38453 115359 18880423 56641269