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201262290 = 23564710369
BaseRepresentation
bin10111111111100…
…00010011010010
3112000201011221220
423333300103102
5403010343130
631545425510
74662462345
oct1377602322
9460634856
10201262290
11a3675379
125749b296
1332909a18
141ca3045c
1512a08410
hexbff04d2

201262290 has 32 divisors (see below), whose sum is σ = 483822720. Its totient is φ = 53581824.

The previous prime is 201262273. The next prime is 201262331. The reversal of 201262290 is 92262102.

201262290 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 201262290.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14226 + ... + 24594.

It is an arithmetic number, because the mean of its divisors is an integer number (15119460).

Almost surely, 2201262290 is an apocalyptic number.

201262290 is an abundant number, since it is smaller than the sum of its proper divisors (282560430).

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

201262290 is a wasteful number, since it uses less digits than its factorization.

201262290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11026.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 201262290 is about 14186.6941180812. The cubic root of 201262290 is about 586.0312877640.

The spelling of 201262290 in words is "two hundred one million, two hundred sixty-two thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 647 1294 1941 3235 3882 6470 9705 10369 19410 20738 31107 51845 62214 103690 155535 311070 6708743 13417486 20126229 33543715 40252458 67087430 100631145 201262290