Search a number
-
+
540024949 is a prime number
BaseRepresentation
bin100000001100000…
…010000001110101
31101122011002222001
4200030002001311
52101221244244
6125330335301
716245064522
oct4014020165
91348132861
10540024949
11257914812
12130a2a531
1387b5a0b9
1451a14149
15326225d4
hex20302075

540024949 has 2 divisors, whose sum is σ = 540024950. Its totient is φ = 540024948.

The previous prime is 540024937. The next prime is 540024959. The reversal of 540024949 is 949420045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 463024324 + 77000625 = 21518^2 + 8775^2 .

It is a cyclic number.

It is not a de Polignac number, because 540024949 - 223 = 531636341 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540024959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270012474 + 270012475.

It is an arithmetic number, because the mean of its divisors is an integer number (270012475).

Almost surely, 2540024949 is an apocalyptic number.

It is an amenable number.

540024949 is a deficient number, since it is larger than the sum of its proper divisors (1).

540024949 is an equidigital number, since it uses as much as digits as its factorization.

540024949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 540024949 is about 23238.4368880525. The cubic root of 540024949 is about 814.3378258974.

The spelling of 540024949 in words is "five hundred forty million, twenty-four thousand, nine hundred forty-nine".