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214533 = 32112197
BaseRepresentation
bin110100011000000101
3101220021200
4310120011
523331113
64333113
71552314
oct643005
9356250
10214533
11137200
12a4199
1376857
145827b
1543873
hex34605

214533 has 18 divisors (see below), whose sum is σ = 342342. Its totient is φ = 129360.

The previous prime is 214531. The next prime is 214541. The reversal of 214533 is 335412.

It can be written as a sum of positive squares in only one way, i.e., 213444 + 1089 = 462^2 + 33^2 .

It is not a de Polignac number, because 214533 - 21 = 214531 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 991 + ... + 1187.

It is an arithmetic number, because the mean of its divisors is an integer number (19019).

2214533 is an apocalyptic number.

It is an amenable number.

214533 is a deficient number, since it is larger than the sum of its proper divisors (127809).

214533 is a wasteful number, since it uses less digits than its factorization.

214533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225 (or 211 counting only the distinct ones).

The product of its digits is 360, while the sum is 18.

The square root of 214533 is about 463.1770719714. The cubic root of 214533 is about 59.8638579895.

Adding to 214533 its reverse (335412), we get a palindrome (549945).

It can be divided in two parts, 214 and 533, that added together give a palindrome (747).

The spelling of 214533 in words is "two hundred fourteen thousand, five hundred thirty-three".

Divisors: 1 3 9 11 33 99 121 197 363 591 1089 1773 2167 6501 19503 23837 71511 214533