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200642916 = 22316720243
BaseRepresentation
bin10111111010110…
…01000101100100
3111222112201100010
423331121011210
5402331033131
631524250220
74654302525
oct1375310544
9458481303
10200642916
11a3291aa1
1257240970
1332750b26
141c90c84c
1512934b46
hexbf59164

200642916 has 12 divisors (see below), whose sum is σ = 468166832. Its totient is φ = 66880968.

The previous prime is 200642903. The next prime is 200642921. The reversal of 200642916 is 619246002.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8360110 + ... + 8360133.

Almost surely, 2200642916 is an apocalyptic number.

It is an amenable number.

200642916 is an abundant number, since it is smaller than the sum of its proper divisors (267523916).

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

200642916 is a wasteful number, since it uses less digits than its factorization.

200642916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16720250 (or 16720248 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 200642916 is about 14164.8478989363. The cubic root of 200642916 is about 585.4295099817.

Adding to 200642916 its reverse (619246002), we get a palindrome (819888918).

The spelling of 200642916 in words is "two hundred million, six hundred forty-two thousand, nine hundred sixteen".

Divisors: 1 2 3 4 6 12 16720243 33440486 50160729 66880972 100321458 200642916