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22489064 = 23131012141
BaseRepresentation
bin101010111001…
…0011111101000
31120022120012022
41111302133220
521224122224
62122004012
7362103533
oct125623750
946276168
1022489064
1111770404
127646608
134875350
142db5a1a
151e9365e
hex15727e8

22489064 has 32 divisors (see below), whose sum is σ = 45881640. Its totient is φ = 10272000.

The previous prime is 22489039. The next prime is 22489091. The reversal of 22489064 is 46098422.

It can be written as a sum of positive squares in 4 ways, for example, as 22486564 + 2500 = 4742^2 + 50^2 .

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, 9434 + ... + 11574.

Almost surely, 222489064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22489064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22940820).

22489064 is an abundant number, since it is smaller than the sum of its proper divisors (23392576).

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

22489064 is a wasteful number, since it uses less digits than its factorization.

22489064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2257 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 22489064 is about 4742.2635945295. The cubic root of 22489064 is about 282.2650627186.

The spelling of 22489064 in words is "twenty-two million, four hundred eighty-nine thousand, sixty-four".

Divisors: 1 2 4 8 13 26 52 101 104 202 404 808 1313 2141 2626 4282 5252 8564 10504 17128 27833 55666 111332 216241 222664 432482 864964 1729928 2811133 5622266 11244532 22489064