Search a number
-
+
540281153 = 691781883
BaseRepresentation
bin100000001101000…
…000100101000001
31101122122010102002
4200031000211001
52101302444103
6125340033345
716250212466
oct4015004501
91348563362
10540281153
11257a7a255
12130b32855
1387c198b9
1451a7d66d
1532673488
hex20340941

540281153 has 4 divisors (see below), whose sum is σ = 541063728. Its totient is φ = 539498580.

The previous prime is 540281143. The next prime is 540281177. The reversal of 540281153 is 351182045.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 351182045 = 570236409.

It is a cyclic number.

It is not a de Polignac number, because 540281153 - 26 = 540281089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540281123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390251 + ... + 391632.

It is an arithmetic number, because the mean of its divisors is an integer number (135265932).

Almost surely, 2540281153 is an apocalyptic number.

It is an amenable number.

540281153 is a deficient number, since it is larger than the sum of its proper divisors (782575).

540281153 is an equidigital number, since it uses as much as digits as its factorization.

540281153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 782574.

The product of its (nonzero) digits is 4800, while the sum is 29.

The square root of 540281153 is about 23243.9487394031. The cubic root of 540281153 is about 814.4665876166.

The spelling of 540281153 in words is "five hundred forty million, two hundred eighty-one thousand, one hundred fifty-three".

Divisors: 1 691 781883 540281153