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142894 = 2371931
BaseRepresentation
bin100010111000101110
321021000101
4202320232
514033034
63021314
71133413
oct427056
9237011
10142894
11983a4
126a83a
135006b
143a10a
152c514
hex22e2e

142894 has 8 divisors (see below), whose sum is σ = 220248. Its totient is φ = 69480.

The previous prime is 142873. The next prime is 142897. The reversal of 142894 is 498241.

142894 is digitally balanced in base 2, because in such base 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 not an unprimeable number, because it can be changed into a prime (142897) 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, 892 + ... + 1039.

It is an arithmetic number, because the mean of its divisors is an integer number (27531).

2142894 is an apocalyptic number.

142894 is a deficient number, since it is larger than the sum of its proper divisors (77354).

142894 is a wasteful number, since it uses less digits than its factorization.

142894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1970.

The product of its digits is 2304, while the sum is 28.

The square root of 142894 is about 378.0132272818. The cubic root of 142894 is about 52.2802911893.

The spelling of 142894 in words is "one hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 37 74 1931 3862 71447 142894