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272716693 = 1571737049
BaseRepresentation
bin10000010000010…
…101001110010101
3201000011102222021
4100100111032111
51024303413233
643021133141
76521024254
oct2020251625
9630142867
10272716693
1112aa3a0a7
12773ba1b1
1344667532
142831079b
1518e1ee2d
hex10415395

272716693 has 4 divisors (see below), whose sum is σ = 274453900. Its totient is φ = 270979488.

The previous prime is 272716657. The next prime is 272716699. The reversal of 272716693 is 396617272.

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

It can be written as a sum of positive squares in 2 ways, for example, as 70593604 + 202123089 = 8402^2 + 14217^2 .

It is a de Polignac number, because none of the positive numbers 2k-272716693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (272716699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 868368 + ... + 868681.

It is an arithmetic number, because the mean of its divisors is an integer number (68613475).

Almost surely, 2272716693 is an apocalyptic number.

It is an amenable number.

272716693 is a deficient number, since it is larger than the sum of its proper divisors (1737207).

272716693 is a wasteful number, since it uses less digits than its factorization.

272716693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1737206.

The product of its digits is 190512, while the sum is 43.

The square root of 272716693 is about 16514.1361566387. The cubic root of 272716693 is about 648.4909315390.

The spelling of 272716693 in words is "two hundred seventy-two million, seven hundred sixteen thousand, six hundred ninety-three".

Divisors: 1 157 1737049 272716693