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243044 = 2260761
BaseRepresentation
bin111011010101100100
3110100101122
4323111210
530234134
65113112
72031404
oct732544
9410348
10243044
1115666a
12b8798
1386819
1464804
154c02e
hex3b564

243044 has 6 divisors (see below), whose sum is σ = 425334. Its totient is φ = 121520.

The previous prime is 243031. The next prime is 243073. The reversal of 243044 is 440342.

It can be written as a sum of positive squares in only one way, i.e., 238144 + 4900 = 488^2 + 70^2 .

It is a plaindrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 243044.

It is an unprimeable number.

243044 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, 30377 + ... + 30384.

It is an arithmetic number, because the mean of its divisors is an integer number (70889).

2243044 is an apocalyptic number.

It is an amenable number.

243044 is a deficient number, since it is larger than the sum of its proper divisors (182290).

243044 is a wasteful number, since it uses less digits than its factorization.

243044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60765 (or 60763 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 243044 is about 492.9949289800. The cubic root of 243044 is about 62.4062808712.

Adding to 243044 its reverse (440342), we get a palindrome (683386).

The spelling of 243044 in words is "two hundred forty-three thousand, forty-four", and thus it is an iban number.

Divisors: 1 2 4 60761 121522 243044