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274690 = 25132113
BaseRepresentation
bin1000011000100000010
3111221210201
41003010002
532242230
65515414
72222563
oct1030402
9457721
10274690
11178419
12112b6a
1398050
147216a
15565ca
hex43102

274690 has 16 divisors (see below), whose sum is σ = 532728. Its totient is φ = 101376.

The previous prime is 274679. The next prime is 274693. The reversal of 274690 is 96472.

It can be written as a sum of positive squares in 4 ways, for example, as 71289 + 203401 = 267^2 + 451^2 .

It is a super-2 number, since 2×2746902 = 150909192200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (274693) by changing a digit.

274690 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 927 + ... + 1186.

2274690 is an apocalyptic number.

274690 is a deficient number, since it is larger than the sum of its proper divisors (258038).

274690 is a wasteful number, since it uses less digits than its factorization.

274690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 274690 is about 524.1087673375. The cubic root of 274690 is about 65.0051278006.

The spelling of 274690 in words is "two hundred seventy-four thousand, six hundred ninety".

Divisors: 1 2 5 10 13 26 65 130 2113 4226 10565 21130 27469 54938 137345 274690