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22052133 = 323736569
BaseRepresentation
bin101010000011…
…1110100100101
31112111100211200
41110013310211
521121132013
62104353113
7355303635
oct124076445
945440750
1022052133
11114a2104
127475799
1347514cc
142d006c5
151e08e73
hex1507d25

22052133 has 12 divisors (see below), whose sum is σ = 31943340. Its totient is φ = 14659776.

The previous prime is 22052131. The next prime is 22052143. The reversal of 22052133 is 33125022.

It can be written as a sum of positive squares in 2 ways, for example, as 16378209 + 5673924 = 4047^2 + 2382^2 .

It is not a de Polignac number, because 22052133 - 21 = 22052131 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22052131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 73 + ... + 6641.

It is an arithmetic number, because the mean of its divisors is an integer number (2661945).

Almost surely, 222052133 is an apocalyptic number.

It is an amenable number.

22052133 is a deficient number, since it is larger than the sum of its proper divisors (9891207).

22052133 is a wasteful number, since it uses less digits than its factorization.

22052133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 6945 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22052133 is about 4695.9698678761. The cubic root of 22052133 is about 280.4250898555.

Adding to 22052133 its reverse (33125022), we get a palindrome (55177155).

The spelling of 22052133 in words is "twenty-two million, fifty-two thousand, one hundred thirty-three".

Divisors: 1 3 9 373 1119 3357 6569 19707 59121 2450237 7350711 22052133