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274386 = 23747139
BaseRepresentation
bin1000010111111010010
3111221101110
41002333102
532240021
65514150
72221650
oct1027722
9457343
10274386
11178172
12112956
1397b78
1471dd0
1556476
hex42fd2

274386 has 32 divisors (see below), whose sum is σ = 645120. Its totient is φ = 76176.

The previous prime is 274361. The next prime is 274403. The reversal of 274386 is 683472.

It is a d-powerful number, because it can be written as 211 + 74 + 32 + 49 + 8 + 65 .

It is an unprimeable number.

274386 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1905 + ... + 2043.

It is an arithmetic number, because the mean of its divisors is an integer number (20160).

2274386 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 274386, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (322560).

274386 is an abundant number, since it is smaller than the sum of its proper divisors (370734).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

274386 is a wasteful number, since it uses less digits than its factorization.

274386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198.

The product of its digits is 8064, while the sum is 30.

The square root of 274386 is about 523.8186709158. The cubic root of 274386 is about 64.9811385116.

The spelling of 274386 in words is "two hundred seventy-four thousand, three hundred eighty-six".

Divisors: 1 2 3 6 7 14 21 42 47 94 139 141 278 282 329 417 658 834 973 987 1946 1974 2919 5838 6533 13066 19599 39198 45731 91462 137193 274386