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272401 = 2111291
BaseRepresentation
bin1000010100000010001
3111211122221
41002200101
532204101
65501041
72213113
oct1024021
9454587
10272401
11176728
12111781
1396cac
14713b3
1555aa1
hex42811

272401 has 4 divisors (see below), whose sum is σ = 273904. Its totient is φ = 270900.

The previous prime is 272399. The next prime is 272407. The reversal of 272401 is 104272.

Adding to 272401 its reverse (104272), we get a palindrome (376673).

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 272401 - 21 = 272399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (272407) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 435 + ... + 856.

It is an arithmetic number, because the mean of its divisors is an integer number (68476).

2272401 is an apocalyptic number.

It is an amenable number.

272401 is a deficient number, since it is larger than the sum of its proper divisors (1503).

272401 is a wasteful number, since it uses less digits than its factorization.

272401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1502.

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 272401 is about 521.9204920292. The cubic root of 272401 is about 64.8240606936.

The spelling of 272401 in words is "two hundred seventy-two thousand, four hundred one", and thus it is an iban number.

Divisors: 1 211 1291 272401