Search a number
201214 = 21371109
BaseRepresentation
bin110001000111111110
3101020000101
4301013332
522414324
64151314
71465426
oct610776
9336011
10201214
111281a2
129853a
1370780
1453486
153e944
hex311fe

201214 has 16 divisors (see below), whose sum is σ = 332640. Its totient is φ = 90720.

The previous prime is 201211. The next prime is 201233. The reversal of 201214 is 412102.

It is a self number, because there is not a number n which added to its sum of digits gives 201214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792 + ... + 1900.

It is an arithmetic number, because the mean of its divisors is an integer number (20790).

2201214 is an apocalyptic number.

201214 is the 284-th heptagonal number.

201214 is a deficient number, since it is larger than the sum of its proper divisors (131426).

201214 is a wasteful number, since it uses less digits than its factorization.

201214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 201214 is about 448.5688352973. The cubic root of 201214 is about 58.5984414081.

Adding to 201214 its reverse (412102), we get a palindrome (613316).

The spelling of 201214 in words is "two hundred one thousand, two hundred fourteen", and thus it is an iban number.