Search a number
-
+
142126838 = 2710151917
BaseRepresentation
bin10000111100010…
…10111011110110
3100220102210100222
420132022323312
5242341024323
622034134342
73344025650
oct1036127366
9326383328
10142126838
1173254aa7
123b7213b2
13235a3429
1414c396d0
15c7269c8
hex878aef6

142126838 has 8 divisors (see below), whose sum is σ = 243646032. Its totient is φ = 60911496.

The previous prime is 142126813. The next prime is 142126841. The reversal of 142126838 is 838621241.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 142126798 and 142126807.

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, 5075945 + ... + 5075972.

It is an arithmetic number, because the mean of its divisors is an integer number (30455754).

Almost surely, 2142126838 is an apocalyptic number.

142126838 is a deficient number, since it is larger than the sum of its proper divisors (101519194).

142126838 is a wasteful number, since it uses less digits than its factorization.

142126838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10151926.

The product of its digits is 18432, while the sum is 35.

The square root of 142126838 is about 11921.6961041624. The cubic root of 142126838 is about 521.8656333696.

The spelling of 142126838 in words is "one hundred forty-two million, one hundred twenty-six thousand, eight hundred thirty-eight".

Divisors: 1 2 7 14 10151917 20303834 71063419 142126838