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274492 = 22163421
BaseRepresentation
bin1000011000000111100
3111221112101
41003000330
532240432
65514444
72222161
oct1030074
9457471
10274492
11178259
12112a24
1397c2a
1472068
15564e7
hex4303c

274492 has 12 divisors (see below), whose sum is σ = 484456. Its totient is φ = 136080.

The previous prime is 274489. The next prime is 274517. The reversal of 274492 is 294472.

It is a d-powerful number, because it can be written as 2 + 72 + 46 + 49 + 9 + 213 .

It is a self number, because there is not a number n which added to its sum of digits gives 274492.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442 + ... + 862.

274492 is a Friedman number, since it can be written as 42^2*7+4^9, using all its digits and the basic arithmetic operations.

2274492 is an apocalyptic number.

It is an amenable number.

274492 is a deficient number, since it is larger than the sum of its proper divisors (209964).

274492 is a wasteful number, since it uses less digits than its factorization.

274492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 588 (or 586 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 274492 is about 523.9198411971. The cubic root of 274492 is about 64.9895052090.

The spelling of 274492 in words is "two hundred seventy-four thousand, four hundred ninety-two".

Divisors: 1 2 4 163 326 421 652 842 1684 68623 137246 274492