Search a number
-
+
56265620 = 22531151601
BaseRepresentation
bin1101011010100…
…0101110010100
310220212120220212
43112220232110
5103400444440
65325544552
71252151465
oct326505624
9126776825
1056265620
1129840214
1216a15158
13b870288
147688d6c
154e16465
hex35a8b94

56265620 has 48 divisors (see below), whose sum is σ = 122981376. Its totient is φ = 21600000.

The previous prime is 56265611. The next prime is 56265637. The reversal of 56265620 is 2656265.

56265620 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 in 15 ways as a sum of consecutive naturals, for example, 93320 + ... + 93920.

It is an arithmetic number, because the mean of its divisors is an integer number (2562112).

Almost surely, 256265620 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56265620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61490688).

56265620 is an abundant number, since it is smaller than the sum of its proper divisors (66715756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56265620 is a wasteful number, since it uses less digits than its factorization.

56265620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 792 (or 790 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The square root of 56265620 is about 7501.0412610517. The cubic root of 56265620 is about 383.1901788503.

The spelling of 56265620 in words is "fifty-six million, two hundred sixty-five thousand, six hundred twenty".

Divisors: 1 2 4 5 10 20 31 62 124 151 155 302 310 601 604 620 755 1202 1510 2404 3005 3020 4681 6010 9362 12020 18631 18724 23405 37262 46810 74524 90751 93155 93620 181502 186310 363004 372620 453755 907510 1815020 2813281 5626562 11253124 14066405 28132810 56265620