Search a number
-
+
5420131 = 13739563
BaseRepresentation
bin10100101011010001100011
3101012101000121
4110223101203
52341421011
6312101111
764033063
oct24532143
911171017
105420131
113072252
121994797
13117a0a2
14a113a3
15720e71
hex52b463

5420131 has 4 divisors (see below), whose sum is σ = 5459832. Its totient is φ = 5380432.

The previous prime is 5420123. The next prime is 5420137. The reversal of 5420131 is 1310245.

5420131 = T210 + T211 + ... + T346.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1310245 = 5262049.

It is a cyclic number.

It is not a de Polignac number, because 5420131 - 23 = 5420123 is a prime.

It is a super-2 number, since 2×54201312 = 58755640114322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5420137) 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 3 ways as a sum of consecutive naturals, for example, 19645 + ... + 19918.

It is an arithmetic number, because the mean of its divisors is an integer number (1364958).

Almost surely, 25420131 is an apocalyptic number.

5420131 is a deficient number, since it is larger than the sum of its proper divisors (39701).

5420131 is a wasteful number, since it uses less digits than its factorization.

5420131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39700.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 5420131 is about 2328.1174798536. The cubic root of 5420131 is about 175.6588065348.

Adding to 5420131 its reverse (1310245), we get a palindrome (6730376).

The spelling of 5420131 in words is "five million, four hundred twenty thousand, one hundred thirty-one".

Divisors: 1 137 39563 5420131