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20132344 = 232516543
BaseRepresentation
bin100110011001…
…1000111111000
31101212211101101
41030303013320
520123213334
61555301144
7333056611
oct114630770
941784341
1020132344
1110400801
1268aa7b4
13422b73b
142960c08
151b7a214
hex13331f8

20132344 has 8 divisors (see below), whose sum is σ = 37748160. Its totient is φ = 10066168.

The previous prime is 20132341. The next prime is 20132347. The reversal of 20132344 is 44323102.

It is an interprime number because it is at equal distance from previous prime (20132341) and next prime (20132347).

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×201323442 = 810622549868672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20132341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1258264 + ... + 1258279.

It is an arithmetic number, because the mean of its divisors is an integer number (4718520).

Almost surely, 220132344 is an apocalyptic number.

It is an amenable number.

20132344 is a deficient number, since it is larger than the sum of its proper divisors (17615816).

20132344 is a wasteful number, since it uses less digits than its factorization.

20132344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2516549 (or 2516545 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 20132344 is about 4486.9080668095. The cubic root of 20132344 is about 272.0391740003.

Adding to 20132344 its reverse (44323102), we get a palindrome (64455446).

The spelling of 20132344 in words is "twenty million, one hundred thirty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 2516543 5033086 10066172 20132344