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22134145 = 5111959359
BaseRepresentation
bin101010001101…
…1110110000001
31112122112100011
41110123312001
521131243040
62110224521
7356065015
oct124336601
945575304
1022134145
1111548790
1274b5141
13477c937
142d22545
151e233ea
hex151bd81

22134145 has 32 divisors (see below), whose sum is σ = 31104000. Its totient is φ = 14950080.

The previous prime is 22134113. The next prime is 22134149. The reversal of 22134145 is 54143122.

It is not a de Polignac number, because 22134145 - 25 = 22134113 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22134149) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61476 + ... + 61834.

It is an arithmetic number, because the mean of its divisors is an integer number (972000).

Almost surely, 222134145 is an apocalyptic number.

It is an amenable number.

22134145 is a deficient number, since it is larger than the sum of its proper divisors (8969855).

22134145 is a wasteful number, since it uses less digits than its factorization.

22134145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 453.

The product of its digits is 960, while the sum is 22.

The square root of 22134145 is about 4704.6939326592. The cubic root of 22134145 is about 280.7722939266.

Adding to 22134145 its reverse (54143122), we get a palindrome (76277267).

The spelling of 22134145 in words is "twenty-two million, one hundred thirty-four thousand, one hundred forty-five".

Divisors: 1 5 11 19 55 59 95 209 295 359 649 1045 1121 1795 3245 3949 5605 6821 12331 19745 21181 34105 61655 75031 105905 232991 375155 402439 1164955 2012195 4426829 22134145