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56066430 = 2357266983
BaseRepresentation
bin1101010111100…
…0000101111110
310220111110200110
43111320011332
5103323111210
65321410450
71250361660
oct325700576
9126443613
1056066430
11297145a2
1216939a26
13b800704
147636530
154dc7420
hex357817e

56066430 has 32 divisors (see below), whose sum is σ = 153782784. Its totient is φ = 12815136.

The previous prime is 56066411. The next prime is 56066431. The reversal of 56066430 is 3466065.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56066431) 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, 133282 + ... + 133701.

It is an arithmetic number, because the mean of its divisors is an integer number (4805712).

Almost surely, 256066430 is an apocalyptic number.

56066430 is an abundant number, since it is smaller than the sum of its proper divisors (97716354).

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

56066430 is a wasteful number, since it uses less digits than its factorization.

56066430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267000.

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 56066430 is about 7487.7519990983. The cubic root of 56066430 is about 382.7374577492.

The spelling of 56066430 in words is "fifty-six million, sixty-six thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 266983 533966 800949 1334915 1601898 1868881 2669830 3737762 4004745 5606643 8009490 9344405 11213286 18688810 28033215 56066430