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540464653 = 871961987
BaseRepresentation
bin100000001101101…
…101011000001101
31101122222110010101
4200031231120031
52101324332103
6125344011101
716251605461
oct4015553015
91348873111
10540464653
11258095103
12131000a91
1387c82291
1451aca4a1
15326aca1d
hex2036d60d

540464653 has 4 divisors (see below), whose sum is σ = 540535360. Its totient is φ = 540393948.

The previous prime is 540464647. The next prime is 540464657. The reversal of 540464653 is 356464045.

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.

It is a cyclic number.

It is not a de Polignac number, because 540464653 - 25 = 540464621 is a prime.

It is a super-2 number, since 2×5404646532 = 584204082284820818, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540464657) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22275 + ... + 39712.

It is an arithmetic number, because the mean of its divisors is an integer number (135133840).

Almost surely, 2540464653 is an apocalyptic number.

It is an amenable number.

540464653 is a deficient number, since it is larger than the sum of its proper divisors (70707).

540464653 is an equidigital number, since it uses as much as digits as its factorization.

540464653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70706.

The product of its (nonzero) digits is 172800, while the sum is 37.

The square root of 540464653 is about 23247.8956682105. The cubic root of 540464653 is about 814.5587851086.

The spelling of 540464653 in words is "five hundred forty million, four hundred sixty-four thousand, six hundred fifty-three".

Divisors: 1 8719 61987 540464653