Search a number
-
+
40223166 = 237984859
BaseRepresentation
bin1001100101110…
…0000110111110
32210200112210220
42121130012332
540244120131
63554042210
7665614464
oct231340676
983615726
1040223166
1120783295
1211579366
1384442b9
1454b0834
1537e7e96
hex265c1be

40223166 has 16 divisors (see below), whose sum is σ = 81465600. Its totient is φ = 13237848.

The previous prime is 40223153. The next prime is 40223233. The reversal of 40223166 is 66132204.

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, 41956 + ... + 42903.

It is an arithmetic number, because the mean of its divisors is an integer number (5091600).

Almost surely, 240223166 is an apocalyptic number.

40223166 is an abundant number, since it is smaller than the sum of its proper divisors (41242434).

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

40223166 is a wasteful number, since it uses less digits than its factorization.

40223166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84943.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40223166 is about 6342.1736021651. The cubic root of 40223166 is about 342.6300243353.

The spelling of 40223166 in words is "forty million, two hundred twenty-three thousand, one hundred sixty-six".

Divisors: 1 2 3 6 79 158 237 474 84859 169718 254577 509154 6703861 13407722 20111583 40223166