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142006 = 21937101
BaseRepresentation
bin100010101010110110
321012210111
4202222312
514021011
63013234
71131004
oct425266
9235714
10142006
1197767
126a21a
134c837
1439a74
152c121
hex22ab6

142006 has 16 divisors (see below), whose sum is σ = 232560. Its totient is φ = 64800.

The previous prime is 141991. The next prime is 142007. The reversal of 142006 is 600241.

142006 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142007) by changing a digit.

142006 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1356 + ... + 1456.

It is an arithmetic number, because the mean of its divisors is an integer number (14535).

2142006 is an apocalyptic number.

142006 is a deficient number, since it is larger than the sum of its proper divisors (90554).

142006 is a wasteful number, since it uses less digits than its factorization.

142006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 142006 is about 376.8368347176. The cubic root of 142006 is about 52.1717692557.

Adding to 142006 its reverse (600241), we get a palindrome (742247).

The spelling of 142006 in words is "one hundred forty-two thousand, six".

Divisors: 1 2 19 37 38 74 101 202 703 1406 1919 3737 3838 7474 71003 142006