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206010872 = 23311097621
BaseRepresentation
bin11000100011101…
…11100111111000
3112100122102210022
430101313213320
5410214321442
632235310012
75051030534
oct1421674770
9470572708
10206010872
11a6319021
1258bab308
13338b0232
141d508bc4
15131453d2
hexc4779f8

206010872 has 32 divisors (see below), whose sum is σ = 402441600. Its totient is φ = 98755200.

The previous prime is 206010869. The next prime is 206010887. The reversal of 206010872 is 278010602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23222 + ... + 30842.

It is an arithmetic number, because the mean of its divisors is an integer number (12576300).

Almost surely, 2206010872 is an apocalyptic number.

It is an amenable number.

206010872 is a deficient number, since it is larger than the sum of its proper divisors (196430728).

206010872 is a wasteful number, since it uses less digits than its factorization.

206010872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7767 (or 7763 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 206010872 is about 14353.0788334768. The cubic root of 206010872 is about 590.6044480480.

The spelling of 206010872 in words is "two hundred six million, ten thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 31 62 109 124 218 248 436 872 3379 6758 7621 13516 15242 27032 30484 60968 236251 472502 830689 945004 1661378 1890008 3322756 6645512 25751359 51502718 103005436 206010872