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22135248 = 243351239
BaseRepresentation
bin101010001110…
…0000111010000
31112122120212000
41110130013100
521131311443
62110234000
7356101152
oct124340720
945576760
1022135248
11115495a3
1274b5900
1347802a5
142d22ad2
151e238d3
hex151c1d0

22135248 has 40 divisors (see below), whose sum is σ = 63537600. Its totient is φ = 7378272.

The previous prime is 22135229. The next prime is 22135249. The reversal of 22135248 is 84253122.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22135249) 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, 25188 + ... + 26051.

It is an arithmetic number, because the mean of its divisors is an integer number (1588440).

Almost surely, 222135248 is an apocalyptic number.

It is an amenable number.

22135248 is an abundant number, since it is smaller than the sum of its proper divisors (41402352).

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

22135248 is a wasteful number, since it uses less digits than its factorization.

22135248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51256 (or 51244 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 22135248 is about 4704.8111545523. The cubic root of 22135248 is about 280.7769577118.

The spelling of 22135248 in words is "twenty-two million, one hundred thirty-five thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 51239 102478 153717 204956 307434 409912 461151 614868 819824 922302 1229736 1383453 1844604 2459472 2766906 3689208 5533812 7378416 11067624 22135248