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208936296 = 23322901893
BaseRepresentation
bin11000111010000…
…01110101101000
3112120011001201100
430131001311220
5411441430141
632422121400
75114633502
oct1435016550
9476131640
10208936296
11a7a36a28
1259b80260
133439595a
141da6ad72
15135220b6
hexc741d68

208936296 has 24 divisors (see below), whose sum is σ = 565869330. Its totient is φ = 69645408.

The previous prime is 208936289. The next prime is 208936297. The reversal of 208936296 is 692639802.

It can be written as a sum of positive squares in only one way, i.e., 194602500 + 14333796 = 13950^2 + 3786^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (208936297) by changing a digit.

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, 1450875 + ... + 1451018.

Almost surely, 2208936296 is an apocalyptic number.

It is an amenable number.

208936296 is an abundant number, since it is smaller than the sum of its proper divisors (356933034).

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

208936296 is a wasteful number, since it uses less digits than its factorization.

208936296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901905 (or 2901898 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 208936296 is about 14454.6288779754. The cubic root of 208936296 is about 593.3869129188.

The spelling of 208936296 in words is "two hundred eight million, nine hundred thirty-six thousand, two hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 2901893 5803786 8705679 11607572 17411358 23215144 26117037 34822716 52234074 69645432 104468148 208936296