Search a number
-
+
56041645 = 5113132869
BaseRepresentation
bin1101010111001…
…0000010101101
310220110012200111
43111302002231
5103321313040
65321100021
71250226502
oct325620255
9126405614
1056041645
11296a7a10
1216927611
13b7c234a
14762b4a9
154dbedea
hex35720ad

56041645 has 16 divisors (see below), whose sum is σ = 75732480. Its totient is φ = 39441600.

The previous prime is 56041627. The next prime is 56041651. The reversal of 56041645 is 54614065.

56041645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 56041645 - 25 = 56041613 is a prime.

It is a super-3 number, since 3×560416453 (a number of 24 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

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, 14730 + ... + 18139.

It is an arithmetic number, because the mean of its divisors is an integer number (4733280).

Almost surely, 256041645 is an apocalyptic number.

56041645 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56041645 is a deficient number, since it is larger than the sum of its proper divisors (19690835).

56041645 is a wasteful number, since it uses less digits than its factorization.

56041645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32916.

The product of its (nonzero) digits is 14400, while the sum is 31.

The square root of 56041645 is about 7486.0967800316. The cubic root of 56041645 is about 382.6810511730.

The spelling of 56041645 in words is "fifty-six million, forty-one thousand, six hundred forty-five".

Divisors: 1 5 11 31 55 155 341 1705 32869 164345 361559 1018939 1807795 5094695 11208329 56041645