Search a number
-
+
5418431 is a prime number
BaseRepresentation
bin10100101010110110111111
3101012021200122
4110222312333
52341342211
6312045155
764025114
oct24526677
911167618
105418431
113070a47
1219937bb
131179395
14a1090b
157206db
hex52adbf

5418431 has 2 divisors, whose sum is σ = 5418432. Its totient is φ = 5418430.

The previous prime is 5418421. The next prime is 5418433. The reversal of 5418431 is 1348145.

5418431 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5418431 - 26 = 5418367 is a prime.

It is a super-2 number, since 2×54184312 = 58718789003522, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 5418433, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is equal to p375542 and since 5418431 and 375542 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5418431.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5418433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2709215 + 2709216.

It is an arithmetic number, because the mean of its divisors is an integer number (2709216).

Almost surely, 25418431 is an apocalyptic number.

5418431 is a deficient number, since it is larger than the sum of its proper divisors (1).

5418431 is an equidigital number, since it uses as much as digits as its factorization.

5418431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 5418431 is about 2327.7523493705. The cubic root of 5418431 is about 175.6404397464.

The spelling of 5418431 in words is "five million, four hundred eighteen thousand, four hundred thirty-one".