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274664329 = 165732
BaseRepresentation
bin10000010111110…
…000101110001001
3201010211101121221
4100113300232021
51030303224304
643131002041
76543415432
oct2027605611
9633741557
10274664329
1113104a415
1277b99321
1344b99b94
142869a489
15191a7054
hex105f0b89

274664329 has 3 divisors (see below), whose sum is σ = 274680903. Its totient is φ = 274647756.

The previous prime is 274664311. The next prime is 274664363. The reversal of 274664329 is 923466472.

The square root of 274664329 is 16573.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 187279225 + 87385104 = 13685^2 + 9348^2 .

It is not a de Polignac number, because 274664329 - 215 = 274631561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (274664389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 8287 + ... + 24859.

It is an arithmetic number, because the mean of its divisors is an integer number (91560301).

Almost surely, 2274664329 is an apocalyptic number.

274664329 is the 16573-rd square number.

274664329 is the 8287-th centered octagonal number.

It is an amenable number.

274664329 is a deficient number, since it is larger than the sum of its proper divisors (16574).

274664329 is an frugal number, since it uses more digits than its factorization.

274664329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33146 (or 16573 counting only the distinct ones).

The product of its digits is 435456, while the sum is 43.

The cubic root of 274664329 is about 650.0310273158.

The spelling of 274664329 in words is "two hundred seventy-four million, six hundred sixty-four thousand, three hundred twenty-nine".

Divisors: 1 16573 274664329