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545265013 = 2632073251
BaseRepresentation
bin100000100000000…
…001010101110101
31102000000022222111
4200200001111311
52104041440023
6130034531021
716340450626
oct4040012565
91360008874
10545265013
1125a873747
12132736a71
1388c73227
14525b9a4d
1532d0a00d
hex20801575

545265013 has 4 divisors (see below), whose sum is σ = 547338528. Its totient is φ = 543191500.

The previous prime is 545265011. The next prime is 545265029. The reversal of 545265013 is 310562545.

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 545265013 - 21 = 545265011 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (545265011) 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, 1036363 + ... + 1036888.

It is an arithmetic number, because the mean of its divisors is an integer number (136834632).

Almost surely, 2545265013 is an apocalyptic number.

It is an amenable number.

545265013 is a deficient number, since it is larger than the sum of its proper divisors (2073515).

545265013 is a wasteful number, since it uses less digits than its factorization.

545265013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073514.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 545265013 is about 23350.9103248674. The cubic root of 545265013 is about 816.9632936261.

The spelling of 545265013 in words is "five hundred forty-five million, two hundred sixty-five thousand, thirteen".

Divisors: 1 263 2073251 545265013