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5420540231 is a prime number
BaseRepresentation
bin1010000110001011…
…01110000101000111
3111222202200222022022
411003011232011013
542100124241411
62253512553355
7251216555201
oct50305560507
914882628268
105420540231
112331832117
1210733b285b
13685012472
14395c91771
1521ad25edb
hex14316e147

5420540231 has 2 divisors, whose sum is σ = 5420540232. Its totient is φ = 5420540230.

The previous prime is 5420540201. The next prime is 5420540233. The reversal of 5420540231 is 1320450245.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 5420540231 - 210 = 5420539207 is a prime.

It is a super-2 number, since 2×54205402312 = 58764512791779066722, which contains 22 as substring.

Together with 5420540233, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5420540231.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5420540233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2710270115 + 2710270116.

It is an arithmetic number, because the mean of its divisors is an integer number (2710270116).

Almost surely, 25420540231 is an apocalyptic number.

5420540231 is a deficient number, since it is larger than the sum of its proper divisors (1).

5420540231 is an equidigital number, since it uses as much as digits as its factorization.

5420540231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 5420540231 is about 73624.3182039739. The cubic root of 5420540231 is about 1756.6322729018.

Adding to 5420540231 its reverse (1320450245), we get a palindrome (6740990476).

The spelling of 5420540231 in words is "five billion, four hundred twenty million, five hundred forty thousand, two hundred thirty-one".