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273242 = 2136621
BaseRepresentation
bin1000010101101011010
3111212211002
41002231122
532220432
65505002
72215424
oct1025532
9455732
10273242
11177322
12112162
13974a8
1471814
1555e62
hex42b5a

273242 has 4 divisors (see below), whose sum is σ = 409866. Its totient is φ = 136620.

The previous prime is 273233. The next prime is 273253. The reversal of 273242 is 242372.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 259081 + 14161 = 509^2 + 119^2 .

It is a super-2 number, since 2×2732422 = 149322381128, which contains 22 as substring.

It is a d-powerful number, because it can be written as 29 + 73 + 211 + 3 + 49 + 213 .

It is an unprimeable number.

273242 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 as a sum of consecutive naturals, namely, 68309 + ... + 68312.

2273242 is an apocalyptic number.

273242 is a deficient number, since it is larger than the sum of its proper divisors (136624).

273242 is a wasteful number, since it uses less digits than its factorization.

273242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136623.

The product of its digits is 672, while the sum is 20.

The square root of 273242 is about 522.7255494043. The cubic root of 273242 is about 64.8907038979.

It can be divided in two parts, 273 and 242, that multiplied together give a palindrome (66066).

The spelling of 273242 in words is "two hundred seventy-three thousand, two hundred forty-two", and thus it is an iban number.

Divisors: 1 2 136621 273242