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40222902 = 2328123857
BaseRepresentation
bin1001100101110…
…0000010110110
32210200112110010
42121130002312
540244113102
63554041050
7665613636
oct231340266
983615403
1040222902
1120783075
1211579186
138444145
1454b06c6
1537e7d6c
hex265c0b6

40222902 has 16 divisors (see below), whose sum is σ = 80735472. Its totient is φ = 13359360.

The previous prime is 40222873. The next prime is 40222907. The reversal of 40222902 is 20922204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40222907) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10243 + ... + 13614.

It is an arithmetic number, because the mean of its divisors is an integer number (5045967).

Almost surely, 240222902 is an apocalyptic number.

40222902 is an abundant number, since it is smaller than the sum of its proper divisors (40512570).

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

40222902 is a wasteful number, since it uses less digits than its factorization.

40222902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24143.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40222902 is about 6342.1527890772. The cubic root of 40222902 is about 342.6292747298.

The spelling of 40222902 in words is "forty million, two hundred twenty-two thousand, nine hundred two".

Divisors: 1 2 3 6 281 562 843 1686 23857 47714 71571 143142 6703817 13407634 20111451 40222902