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206460090 = 2365127223
BaseRepresentation
bin11000100111001…
…01010010111010
3112101111021000000
430103211102322
5410323210330
632253053430
75054611314
oct1423452272
9471437000
10206460090
11a65a5581
1259187276
1333a09845
141d5c47b4
15131d3560
hexc4e54ba

206460090 has 112 divisors (see below), whose sum is σ = 564092928. Its totient is φ = 54377568.

The previous prime is 206460073. The next prime is 206460109. The reversal of 206460090 is 90064602.

206460090 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 925719 + ... + 925941.

It is an arithmetic number, because the mean of its divisors is an integer number (5036544).

Almost surely, 2206460090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 206460090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282046464).

206460090 is an abundant number, since it is smaller than the sum of its proper divisors (357632838).

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

206460090 is a wasteful number, since it uses less digits than its factorization.

206460090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 360 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 206460090 is about 14368.7191495972. The cubic root of 206460090 is about 591.0334181933.

The spelling of 206460090 in words is "two hundred six million, four hundred sixty thousand, ninety".

Divisors: 1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 127 135 162 223 243 254 270 381 405 446 486 635 669 729 762 810 1115 1143 1215 1270 1338 1458 1905 2007 2230 2286 2430 3345 3429 3645 3810 4014 5715 6021 6690 6858 7290 10035 10287 11430 12042 17145 18063 20070 20574 28321 30105 30861 34290 36126 51435 54189 56642 60210 61722 84963 90315 92583 102870 108378 141605 154305 162567 169926 180630 185166 254889 270945 283210 308610 325134 424815 462915 509778 541890 764667 812835 849630 925830 1274445 1529334 1625670 2294001 2548890 3823335 4588002 6882003 7646670 11470005 13764006 20646009 22940010 34410015 41292018 68820030 103230045 206460090