[go: up one dir, main page]

Search a number
-
+
272704 = 264261
BaseRepresentation
bin1000010100101000000
3111212002011
41002211000
532211304
65502304
72214025
oct1024500
9455064
10272704
11176983
12111994
1397183
147154c
1555c04
hex42940

272704 has 14 divisors (see below), whose sum is σ = 541274. Its totient is φ = 136320.

The previous prime is 272693. The next prime is 272717. The reversal of 272704 is 407272.

It can be written as a sum of positive squares in only one way, i.e., 270400 + 2304 = 520^2 + 48^2 .

It is an Ulam number.

It is a congruent number.

It is an unprimeable 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 as a sum of consecutive naturals, namely, 2067 + ... + 2194.

2272704 is an apocalyptic number.

It is an amenable number.

272704 is a deficient number, since it is larger than the sum of its proper divisors (268570).

272704 is an equidigital number, since it uses as much as digits as its factorization.

272704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4273 (or 4263 counting only the distinct ones).

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 272704 is about 522.2106854518. The cubic root of 272704 is about 64.8480870521.

Adding to 272704 its reverse (407272), we get a palindrome (679976).

The spelling of 272704 in words is "two hundred seventy-two thousand, seven hundred four", and thus it is an iban number.

Divisors: 1 2 4 8 16 32 64 4261 8522 17044 34088 68176 136352 272704