Search a number
-
+
142937 = 197523
BaseRepresentation
bin100010111001011001
321021001222
4202321121
514033222
63021425
71133504
oct427131
9237058
10142937
1198433
126a875
13500a2
143a13b
152c542
hex22e59

142937 has 4 divisors (see below), whose sum is σ = 150480. Its totient is φ = 135396.

The previous prime is 142907. The next prime is 142939. The reversal of 142937 is 739241.

142937 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 142937 - 26 = 142873 is a prime.

It is a nialpdrome in base 11.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142937.

It is not an unprimeable number, because it can be changed into a prime (142939) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3743 + ... + 3780.

It is an arithmetic number, because the mean of its divisors is an integer number (37620).

2142937 is an apocalyptic number.

It is an amenable number.

142937 is a deficient number, since it is larger than the sum of its proper divisors (7543).

142937 is an equidigital number, since it uses as much as digits as its factorization.

142937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7542.

The product of its digits is 1512, while the sum is 26.

The square root of 142937 is about 378.0700993202. The cubic root of 142937 is about 52.2855347663.

The spelling of 142937 in words is "one hundred forty-two thousand, nine hundred thirty-seven".

Divisors: 1 19 7523 142937