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200988860 = 22510049443
BaseRepresentation
bin10111111101011…
…01100010111100
3112000012021212212
423332231202330
5402423120420
631535515552
74660243232
oct1376554274
9460167785
10200988860
11a34a89a6
1257388bb8
1332842427
141c99c952
15129a23c5
hexbfad8bc

200988860 has 12 divisors (see below), whose sum is σ = 422076648. Its totient is φ = 80395536.

The previous prime is 200988833. The next prime is 200988863. The reversal of 200988860 is 68889002.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200988863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5024702 + ... + 5024741.

It is an arithmetic number, because the mean of its divisors is an integer number (35173054).

Almost surely, 2200988860 is an apocalyptic number.

200988860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200988860 is an abundant number, since it is smaller than the sum of its proper divisors (221087788).

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

200988860 is a wasteful number, since it uses less digits than its factorization.

200988860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10049452 (or 10049450 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 41.

The square root of 200988860 is about 14177.0539958060. The cubic root of 200988860 is about 585.7657782553.

The spelling of 200988860 in words is "two hundred million, nine hundred eighty-eight thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 10049443 20098886 40197772 50247215 100494430 200988860