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207026308 = 2231253857
BaseRepresentation
bin11000101011011…
…11100010000100
3112102120000201001
430111233202010
5410444320213
632313143044
75062460146
oct1425574204
9472500631
10207026308
11a6951a25
12593baa84
1333b77498
141d6d0c96
15132961dd
hexc56f884

207026308 has 18 divisors (see below), whose sum is σ = 374366958. Its totient is φ = 100172160.

The previous prime is 207026297. The next prime is 207026311. The reversal of 207026308 is 803620702.

It can be written as a sum of positive squares in only one way, i.e., 155301444 + 51724864 = 12462^2 + 7192^2 .

It is a super-2 number, since 2×2070263082 = 85719784408221728, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23085 + ... + 30772.

Almost surely, 2207026308 is an apocalyptic number.

It is an amenable number.

207026308 is a deficient number, since it is larger than the sum of its proper divisors (167340650).

207026308 is a wasteful number, since it uses less digits than its factorization.

207026308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53923 (or 53890 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 207026308 is about 14388.4088070919. The cubic root of 207026308 is about 591.5732292133.

The spelling of 207026308 in words is "two hundred seven million, twenty-six thousand, three hundred eight".

Divisors: 1 2 4 31 62 124 961 1922 3844 53857 107714 215428 1669567 3339134 6678268 51756577 103513154 207026308