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280016196 = 22323334683
BaseRepresentation
bin10000101100001…
…011010101000100
3201111220022000020
4100230023111010
51033141004241
643441415140
76640045515
oct2054132504
9644808006
10280016196
11134075349
127993a4b0
1346021b75
1429290a0c
15198b2b66
hex10b0b544

280016196 has 12 divisors (see below), whose sum is σ = 653371152. Its totient is φ = 93338728.

The previous prime is 280016189. The next prime is 280016207. The reversal of 280016196 is 691610082.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11667330 + ... + 11667353.

It is an arithmetic number, because the mean of its divisors is an integer number (54447596).

Almost surely, 2280016196 is an apocalyptic number.

It is an amenable number.

280016196 is an abundant number, since it is smaller than the sum of its proper divisors (373354956).

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

280016196 is a wasteful number, since it uses less digits than its factorization.

280016196 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23334690 (or 23334688 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 280016196 is about 16733.6844717474. The cubic root of 280016196 is about 654.2258756493.

The spelling of 280016196 in words is "two hundred eighty million, sixteen thousand, one hundred ninety-six".

Divisors: 1 2 3 4 6 12 23334683 46669366 70004049 93338732 140008098 280016196