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201142 = 2163617
BaseRepresentation
bin110001000110110110
3101012220201
4301012312
522414032
64151114
71465264
oct610666
9335821
10201142
11128137
129849a
1370726
1453434
153e8e7
hex311b6

201142 has 8 divisors (see below), whose sum is σ = 304056. Its totient is φ = 99792.

The previous prime is 201139. The next prime is 201151. The reversal of 201142 is 241102.

201142 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18 + ... + 634.

It is an arithmetic number, because the mean of its divisors is an integer number (38007).

2201142 is an apocalyptic number.

201142 is a deficient number, since it is larger than the sum of its proper divisors (102914).

201142 is a wasteful number, since it uses less digits than its factorization.

201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782.

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

The square root of 201142 is about 448.4885728756. The cubic root of 201142 is about 58.5914511868.

Adding to 201142 its reverse (241102), we get a palindrome (442244).

It can be divided in two parts, 201 and 142, that added together give a palindrome (343).

The spelling of 201142 in words is "two hundred one thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 163 326 617 1234 100571 201142