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22052687 = 31897993
BaseRepresentation
bin101010000011…
…1111101001111
31112111101121012
41110013331033
521121141222
62104355435
7355305356
oct124077517
945441535
1022052687
11114a2568
127475b7b
134751837
142d0099d
151e091e2
hex1507f4f

22052687 has 8 divisors (see below), whose sum is σ = 23022720. Its totient is φ = 21098880.

The previous prime is 22052683. The next prime is 22052707. The reversal of 22052687 is 78625022.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22052687 - 22 = 22052683 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052683) 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, 1238 + ... + 6755.

It is an arithmetic number, because the mean of its divisors is an integer number (2877840).

Almost surely, 222052687 is an apocalyptic number.

22052687 is a deficient number, since it is larger than the sum of its proper divisors (970033).

22052687 is an equidigital number, since it uses as much as digits as its factorization.

22052687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8113.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22052687 is about 4696.0288542555. The cubic root of 22052687 is about 280.4274381423.

The spelling of 22052687 in words is "twenty-two million, fifty-two thousand, six hundred eighty-seven".

Divisors: 1 31 89 2759 7993 247783 711377 22052687