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56430200 = 2352283997
BaseRepresentation
bin1101011101000…
…0111001111000
310221011221200102
43113100321320
5103421231300
65333254532
71253435351
oct327207170
9127157612
1056430200
1129942932
1216a94448
13b8ca168
1476ccd28
154e4a0d5
hex35d0e78

56430200 has 48 divisors (see below), whose sum is σ = 131795880. Its totient is φ = 22469760.

The previous prime is 56430197. The next prime is 56430211. The reversal of 56430200 is 203465.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56102 + ... + 57098.

Almost surely, 256430200 is an apocalyptic number.

56430200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56430200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65897940).

56430200 is an abundant number, since it is smaller than the sum of its proper divisors (75365680).

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

56430200 is a wasteful number, since it uses less digits than its factorization.

56430200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 56430200 is about 7512.0037273686. The cubic root of 56430200 is about 383.5634325317.

Adding to 56430200 its reverse (203465), we get a palindrome (56633665).

The spelling of 56430200 in words is "fifty-six million, four hundred thirty thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 283 566 997 1132 1415 1994 2264 2830 3988 4985 5660 7075 7976 9970 11320 14150 19940 24925 28300 39880 49850 56600 99700 199400 282151 564302 1128604 1410755 2257208 2821510 5643020 7053775 11286040 14107550 28215100 56430200