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547072745 = 5781713997
BaseRepresentation
bin100000100110111…
…010101011101001
31102010102011201112
4200212322223221
52110022311440
6130141400105
716362020162
oct4046725351
91363364645
10547072745
1126089893a
12133269035
1389456cab
145292a769
1533065965
hex209baae9

547072745 has 8 divisors (see below), whose sum is σ = 656618184. Its totient is φ = 437570944.

The previous prime is 547072739. The next prime is 547072753. The reversal of 547072745 is 547270745.

547072745 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1570009 + 545502736 = 1253^2 + 23356^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 547072745 - 212 = 547068649 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32087 + ... + 46083.

It is an arithmetic number, because the mean of its divisors is an integer number (82077273).

Almost surely, 2547072745 is an apocalyptic number.

It is an amenable number.

547072745 is a deficient number, since it is larger than the sum of its proper divisors (109545439).

547072745 is a wasteful number, since it uses less digits than its factorization.

547072745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21819.

The product of its (nonzero) digits is 274400, while the sum is 41.

The square root of 547072745 is about 23389.5862511503. The cubic root of 547072745 is about 817.8651313086.

The spelling of 547072745 in words is "five hundred forty-seven million, seventy-two thousand, seven hundred forty-five".

Divisors: 1 5 7817 13997 39085 69985 109414549 547072745