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20083086 = 23317131167
BaseRepresentation
bin100110010011…
…1000110001110
31101210022211000
41030213012032
520120124321
61554241130
7332463162
oct114470616
941708730
1020083086
11103777a1
1268861a6
1342121aa
14294aca2
151b6a826
hex132718e

20083086 has 64 divisors (see below), whose sum is σ = 47900160. Its totient is φ = 6215040.

The previous prime is 20083081. The next prime is 20083087. The reversal of 20083086 is 68038002.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20083081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 120175 + ... + 120341.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 220083086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 20083086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23950080).

20083086 is an abundant number, since it is smaller than the sum of its proper divisors (27817074).

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

20083086 is a wasteful number, since it uses less digits than its factorization.

20083086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326 (or 320 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 20083086 is about 4481.4156245544. The cubic root of 20083086 is about 271.8171258500.

The spelling of 20083086 in words is "twenty million, eighty-three thousand, eighty-six".

Divisors: 1 2 3 6 9 17 18 27 34 51 54 102 131 153 167 262 306 334 393 459 501 786 918 1002 1179 1503 2227 2358 2839 3006 3537 4454 4509 5678 6681 7074 8517 9018 13362 17034 20043 21877 25551 40086 43754 51102 60129 65631 76653 120258 131262 153306 196893 371909 393786 590679 743818 1115727 1181358 2231454 3347181 6694362 10041543 20083086