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22133488 = 2413106411
BaseRepresentation
bin101010001101…
…1101011110000
31112122111102211
41110123223300
521131232423
62110221504
7356063056
oct124335360
945574384
1022133488
1111548243
1274b4894
13477c550
142d221d6
151e2310d
hex151baf0

22133488 has 20 divisors (see below), whose sum is σ = 46182808. Its totient is φ = 10215360.

The previous prime is 22133483. The next prime is 22133491. The reversal of 22133488 is 88433122.

It is a super-2 number, since 2×221334882 = 979782582092288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22133483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52998 + ... + 53413.

Almost surely, 222133488 is an apocalyptic number.

It is an amenable number.

22133488 is an abundant number, since it is smaller than the sum of its proper divisors (24049320).

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

22133488 is a wasteful number, since it uses less digits than its factorization.

22133488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106432 (or 106426 counting only the distinct ones).

The product of its digits is 9216, while the sum is 31.

The square root of 22133488 is about 4704.6241082577. The cubic root of 22133488 is about 280.7695158775.

The spelling of 22133488 in words is "twenty-two million, one hundred thirty-three thousand, four hundred eighty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 106411 212822 425644 851288 1383343 1702576 2766686 5533372 11066744 22133488