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56145200 = 2452140363
BaseRepresentation
bin1101011000101…
…1010100110000
310220122110201212
43112023110300
5103333121300
65323215252
71251140426
oct326132460
9126573655
1056145200
11297687a1
1216977528
13b82a517
147657116
154de0935
hex358b530

56145200 has 30 divisors (see below), whose sum is σ = 134889804. Its totient is φ = 22457920.

The previous prime is 56145161. The next prime is 56145217. The reversal of 56145200 is 254165.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 69782 + ... + 70581.

Almost surely, 256145200 is an apocalyptic number.

56145200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

56145200 is an abundant number, since it is smaller than the sum of its proper divisors (78744604).

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

56145200 is a wasteful number, since it uses less digits than its factorization.

56145200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140381 (or 140370 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 56145200 is about 7493.0100760642. The cubic root of 56145200 is about 382.9166149962.

Adding to 56145200 its reverse (254165), we get a palindrome (56399365).

The spelling of 56145200 in words is "fifty-six million, one hundred forty-five thousand, two hundred".

Divisors: 1 2 4 5 8 10 16 20 25 40 50 80 100 200 400 140363 280726 561452 701815 1122904 1403630 2245808 2807260 3509075 5614520 7018150 11229040 14036300 28072600 56145200