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22131339 = 371103903
BaseRepresentation
bin101010001101…
…1001010001011
31112122101111020
41110123022023
521131200324
62110203523
7356053566
oct124331213
945571436
1022131339
111154666a
1274b35a3
13477b589
142d214dd
151e22679
hex151b28b

22131339 has 8 divisors (see below), whose sum is σ = 29924352. Its totient is φ = 14546280.

The previous prime is 22131289. The next prime is 22131397. The reversal of 22131339 is 93313122.

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

It is not a de Polignac number, because 22131339 - 27 = 22131211 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22131839) 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, 51739 + ... + 52164.

It is an arithmetic number, because the mean of its divisors is an integer number (3740544).

Almost surely, 222131339 is an apocalyptic number.

22131339 is a deficient number, since it is larger than the sum of its proper divisors (7793013).

22131339 is a wasteful number, since it uses less digits than its factorization.

22131339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103977.

The product of its digits is 972, while the sum is 24.

The square root of 22131339 is about 4704.3957103968. The cubic root of 22131339 is about 280.7604286938.

The spelling of 22131339 in words is "twenty-two million, one hundred thirty-one thousand, three hundred thirty-nine".

Divisors: 1 3 71 213 103903 311709 7377113 22131339