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540553603 = 3117437213
BaseRepresentation
bin100000001110000…
…011000110000011
31101200010222010211
4200032003012003
52101340203403
6125345534551
716252426012
oct4016030603
91350128124
10540553603
11258145a17
12131044457
1387cb3905
1451b10a79
15326c906d
hex20383183

540553603 has 4 divisors (see below), whose sum is σ = 557990848. Its totient is φ = 523116360.

The previous prime is 540553597. The next prime is 540553633. The reversal of 540553603 is 306355045.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-540553603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 17437213 = 540553603 / (5 + 4 + 0 + 5 + 5 + 3 + 6 + 0 + 3).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (540553633) 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, 8718576 + ... + 8718637.

It is an arithmetic number, because the mean of its divisors is an integer number (139497712).

Almost surely, 2540553603 is an apocalyptic number.

540553603 is a deficient number, since it is larger than the sum of its proper divisors (17437245).

540553603 is a wasteful number, since it uses less digits than its factorization.

540553603 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17437244.

The product of its (nonzero) digits is 27000, while the sum is 31.

The square root of 540553603 is about 23249.8086658794. The cubic root of 540553603 is about 814.6034695168.

The spelling of 540553603 in words is "five hundred forty million, five hundred fifty-three thousand, six hundred three".

Divisors: 1 31 17437213 540553603