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200056928 = 2519378893
BaseRepresentation
bin10111110110010…
…10000001100000
3111221102221111212
423323022001200
5402203310203
631503525252
74646312231
oct1373120140
9457387455
10200056928
11a2a21805
1256bb9828
13325a71a6
141c7d9088
151286b1d8
hexbeca060

200056928 has 48 divisors (see below), whose sum is σ = 425844720. Its totient is φ = 92192256.

The previous prime is 200056903. The next prime is 200056933. The reversal of 200056928 is 829650002.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 200056894 and 200056903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18050 + ... + 26942.

It is an arithmetic number, because the mean of its divisors is an integer number (8871765).

Almost surely, 2200056928 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 200056928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (212922360).

200056928 is an abundant number, since it is smaller than the sum of its proper divisors (225787792).

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

200056928 is a wasteful number, since it uses less digits than its factorization.

200056928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8959 (or 8951 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 200056928 is about 14144.1481892689. The cubic root of 200056928 is about 584.8590285395.

The spelling of 200056928 in words is "two hundred million, fifty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 16 19 32 37 38 74 76 148 152 296 304 592 608 703 1184 1406 2812 5624 8893 11248 17786 22496 35572 71144 142288 168967 284576 329041 337934 658082 675868 1316164 1351736 2632328 2703472 5264656 5406944 6251779 10529312 12503558 25007116 50014232 100028464 200056928