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20133044 = 227170891
BaseRepresentation
bin100110011001…
…1010010110100
31101212212100022
41030303102310
520123224134
61555304312
7333061631
oct114632264
941785308
1020133044
1110401288
1268ab098
13422bb59
142961188
151b7a52e
hex13334b4

20133044 has 12 divisors (see below), whose sum is σ = 35729568. Its totient is φ = 9924600.

The previous prime is 20133041. The next prime is 20133053. The reversal of 20133044 is 44033102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20133041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35162 + ... + 35729.

It is an arithmetic number, because the mean of its divisors is an integer number (2977464).

Almost surely, 220133044 is an apocalyptic number.

It is an amenable number.

20133044 is a deficient number, since it is larger than the sum of its proper divisors (15596524).

20133044 is a wasteful number, since it uses less digits than its factorization.

20133044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70966 (or 70964 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 20133044 is about 4486.9860708498. The cubic root of 20133044 is about 272.0423268905.

Adding to 20133044 its reverse (44033102), we get a palindrome (64166146).

The spelling of 20133044 in words is "twenty million, one hundred thirty-three thousand, forty-four".

Divisors: 1 2 4 71 142 284 70891 141782 283564 5033261 10066522 20133044