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274369 = 299461
BaseRepresentation
bin1000010111111000001
3111221100211
41002333001
532234434
65514121
72221624
oct1027701
9457324
10274369
11178157
12112941
1397b64
1471dbb
1556464
hex42fc1

274369 has 4 divisors (see below), whose sum is σ = 283860. Its totient is φ = 264880.

The previous prime is 274361. The next prime is 274403. The reversal of 274369 is 963472.

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 176400 + 97969 = 420^2 + 313^2 .

It is a cyclic number.

It is not a de Polignac number, because 274369 - 23 = 274361 is a prime.

It is a super-2 number, since 2×2743692 = 150556696322, which contains 22 as substring.

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

It is a Duffinian number.

274369 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 274369.

It is not an unprimeable number, because it can be changed into a prime (274361) 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, 4702 + ... + 4759.

It is an arithmetic number, because the mean of its divisors is an integer number (70965).

2274369 is an apocalyptic number.

274369 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

274369 is a deficient number, since it is larger than the sum of its proper divisors (9491).

274369 is an equidigital number, since it uses as much as digits as its factorization.

274369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9490.

The product of its digits is 9072, while the sum is 31.

The square root of 274369 is about 523.8024436751. The cubic root of 274369 is about 64.9797964823.

The spelling of 274369 in words is "two hundred seventy-four thousand, three hundred sixty-nine".

Divisors: 1 29 9461 274369