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5561142 = 231754521
BaseRepresentation
bin10101001101101100110110
3101110112110020
4111031230312
52410424032
6315110010
765161146
oct25155466
911415406
105561142
113159194
121a42306
1311c9322
14a4a926
1574cb2c
hex54db36

5561142 has 16 divisors (see below), whose sum is σ = 11776752. Its totient is φ = 1744640.

The previous prime is 5561141. The next prime is 5561189. The reversal of 5561142 is 2411655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561141) 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 in 7 ways as a sum of consecutive naturals, for example, 27159 + ... + 27362.

It is an arithmetic number, because the mean of its divisors is an integer number (736047).

Almost surely, 25561142 is an apocalyptic number.

5561142 is an abundant number, since it is smaller than the sum of its proper divisors (6215610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561142 is a wasteful number, since it uses less digits than its factorization.

5561142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54543.

The product of its digits is 1200, while the sum is 24.

The square root of 5561142 is about 2358.2073700165. The cubic root of 5561142 is about 177.1691064738.

Adding to 5561142 its reverse (2411655), we get a palindrome (7972797).

The spelling of 5561142 in words is "five million, five hundred sixty-one thousand, one hundred forty-two".

Divisors: 1 2 3 6 17 34 51 102 54521 109042 163563 327126 926857 1853714 2780571 5561142