Search a number
-
+
56526231 = 3179105263
BaseRepresentation
bin1101011110100…
…0010110010111
310221100211102010
43113220112113
5103432314411
65335315303
71254315336
oct327502627
9127324363
1056526231
11299a8aa3
1216b1bb33
13b931a98
147715d1d
154e687a6
hex35e8597

56526231 has 8 divisors (see below), whose sum is σ = 75790080. Its totient is φ = 37473272.

The previous prime is 56526229. The next prime is 56526233. The reversal of 56526231 is 13262565.

It is an interprime number because it is at equal distance from previous prime (56526229) and next prime (56526233).

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 56526231 - 21 = 56526229 is a prime.

It is a super-2 number, since 2×565262312 = 6390429582130722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56526233) 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, 52095 + ... + 53168.

It is an arithmetic number, because the mean of its divisors is an integer number (9473760).

Almost surely, 256526231 is an apocalyptic number.

56526231 is a deficient number, since it is larger than the sum of its proper divisors (19263849).

56526231 is a wasteful number, since it uses less digits than its factorization.

56526231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105445.

The product of its digits is 10800, while the sum is 30.

The square root of 56526231 is about 7518.3928468789. The cubic root of 56526231 is about 383.7808876382.

Adding to 56526231 its reverse (13262565), we get a palindrome (69788796).

It can be divided in two parts, 565 and 26231, that added together give a triangular number (26796 = T231).

The spelling of 56526231 in words is "fifty-six million, five hundred twenty-six thousand, two hundred thirty-one".

Divisors: 1 3 179 537 105263 315789 18842077 56526231