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5542131 = 37263911
BaseRepresentation
bin10101001001000011110011
3101102120101010
4111021003303
52404322011
6314442003
765051550
oct25110363
911376333
105542131
113145981
121a33303
1311c078a
14a43a27
157471a6
hex5490f3

5542131 has 8 divisors (see below), whose sum is σ = 8445184. Its totient is φ = 3166920.

The previous prime is 5542127. The next prime is 5542139. The reversal of 5542131 is 1312455.

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

It is not a de Polignac number, because 5542131 - 22 = 5542127 is a prime.

It is a super-2 number, since 2×55421312 = 61430432042322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 263911 = 5542131 / (5 + 5 + 4 + 2 + 1 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5542098 and 5542107.

It is not an unprimeable number, because it can be changed into a prime (5542139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131935 + ... + 131976.

It is an arithmetic number, because the mean of its divisors is an integer number (1055648).

Almost surely, 25542131 is an apocalyptic number.

5542131 is a deficient number, since it is larger than the sum of its proper divisors (2903053).

5542131 is a wasteful number, since it uses less digits than its factorization.

5542131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263921.

The product of its digits is 600, while the sum is 21.

The square root of 5542131 is about 2354.1731032360. The cubic root of 5542131 is about 176.9669892794.

Adding to 5542131 its reverse (1312455), we get a palindrome (6854586).

The spelling of 5542131 in words is "five million, five hundred forty-two thousand, one hundred thirty-one".

Divisors: 1 3 7 21 263911 791733 1847377 5542131