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272985073 = 1187229979
BaseRepresentation
bin10000010001010…
…110101111110001
3201000200002010021
4100101112233301
51024341010243
643031003441
76523222564
oct2021265761
9630602107
10272985073
111301027a9
1277509581
134472c73a
14283804db
1518e746ed
hex10456bf1

272985073 has 4 divisors (see below), whose sum is σ = 273216240. Its totient is φ = 272753908.

The previous prime is 272985059. The next prime is 272985077. The reversal of 272985073 is 370589272.

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 272985073 - 29 = 272984561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272985077) 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, 113803 + ... + 116176.

It is an arithmetic number, because the mean of its divisors is an integer number (68304060).

Almost surely, 2272985073 is an apocalyptic number.

It is an amenable number.

272985073 is a deficient number, since it is larger than the sum of its proper divisors (231167).

272985073 is a wasteful number, since it uses less digits than its factorization.

272985073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231166.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 272985073 is about 16522.2599241145. The cubic root of 272985073 is about 648.7035880435.

The spelling of 272985073 in words is "two hundred seventy-two million, nine hundred eighty-five thousand, seventy-three".

Divisors: 1 1187 229979 272985073