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200432856 = 2331317233153
BaseRepresentation
bin10111111001001…
…01110011011000
3111222011001012010
423330211303120
5402302322411
631515545520
74652436231
oct1374456330
9458131163
10200432856
11a3159198
125715b2a0
13326a9330
141c896088
15128e27a6
hexbf25cd8

200432856 has 256 divisors, whose sum is σ = 627056640. Its totient is φ = 52715520.

The previous prime is 200432821. The next prime is 200432861. The reversal of 200432856 is 658234002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3781726 + ... + 3781778.

It is an arithmetic number, because the mean of its divisors is an integer number (2449440).

Almost surely, 2200432856 is an apocalyptic number.

200432856 is a gapful number since it is divisible by the number (26) 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 200432856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313528320).

200432856 is an abundant number, since it is smaller than the sum of its proper divisors (426623784).

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

200432856 is a wasteful number, since it uses less digits than its factorization.

200432856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 142 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 200432856 is about 14157.4311229121. The cubic root of 200432856 is about 585.2251365173.

Adding to 200432856 its reverse (658234002), we get a palindrome (858666858).

The spelling of 200432856 in words is "two hundred million, four hundred thirty-two thousand, eight hundred fifty-six".