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56024020 = 225131511427
BaseRepresentation
bin1101010110110…
…1101111010100
310220102022111201
43111231233110
5103320232040
65320442244
71250124223
oct325555724
9126368451
1056024020
1129695748
1216919384
13b7b7310
147624cba
154db9a9a
hex356dbd4

56024020 has 48 divisors (see below), whose sum is σ = 127628928. Its totient is φ = 20534400.

The previous prime is 56024009. The next prime is 56024029. The reversal of 56024020 is 2042065.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56024029) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38547 + ... + 39973.

It is an arithmetic number, because the mean of its divisors is an integer number (2658936).

Almost surely, 256024020 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 56024020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63814464).

56024020 is an abundant number, since it is smaller than the sum of its proper divisors (71604908).

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

56024020 is a wasteful number, since it uses less digits than its factorization.

56024020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1600 (or 1598 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 56024020 is about 7484.9195052452. The cubic root of 56024020 is about 382.6409294581.

Adding to 56024020 its reverse (2042065), we get a palindrome (58066085).

The spelling of 56024020 in words is "fifty-six million, twenty-four thousand, twenty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 151 260 302 604 755 1427 1510 1963 2854 3020 3926 5708 7135 7852 9815 14270 18551 19630 28540 37102 39260 74204 92755 185510 215477 371020 430954 861908 1077385 2154770 2801201 4309540 5602402 11204804 14006005 28012010 56024020