Search a number
-
+
56233020 = 22351376841
BaseRepresentation
bin1101011010000…
…0110000111100
310220210221012110
43112200300330
5103343424040
65325134020
71251654444
oct326406074
9126727173
1056233020
1129818778
12169ba310
13b85b49c
14767b124
154e0b980
hex35a0c3c

56233020 has 48 divisors (see below), whose sum is σ = 158624928. Its totient is φ = 14883840.

The previous prime is 56232983. The next prime is 56233031. The reversal of 56233020 is 2033265.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4800 + ... + 11640.

It is an arithmetic number, because the mean of its divisors is an integer number (3304686).

Almost surely, 256233020 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 56233020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79312464).

56233020 is an abundant number, since it is smaller than the sum of its proper divisors (102391908).

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

56233020 is a wasteful number, since it uses less digits than its factorization.

56233020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6990 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 56233020 is about 7498.8679145588. The cubic root of 56233020 is about 383.1161584378.

Adding to 56233020 its reverse (2033265), we get a palindrome (58266285).

The spelling of 56233020 in words is "fifty-six million, two hundred thirty-three thousand, twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 137 274 411 548 685 822 1370 1644 2055 2740 4110 6841 8220 13682 20523 27364 34205 41046 68410 82092 102615 136820 205230 410460 937217 1874434 2811651 3748868 4686085 5623302 9372170 11246604 14058255 18744340 28116510 56233020