Search a number
-
+
142701 = 3133659
BaseRepresentation
bin100010110101101101
321020202020
4202311231
514031301
63020353
71133016
oct426555
9236666
10142701
1198239
126a6b9
134cc50
143a00d
152c436
hex22d6d

142701 has 8 divisors (see below), whose sum is σ = 204960. Its totient is φ = 87792.

The previous prime is 142699. The next prime is 142711. The reversal of 142701 is 107241.

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

It is not a de Polignac number, because 142701 - 21 = 142699 is a prime.

It is an Ulam number.

It is a plaindrome in base 9.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 142701.

It is not an unprimeable number, because it can be changed into a prime (142711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1791 + ... + 1868.

It is an arithmetic number, because the mean of its divisors is an integer number (25620).

2142701 is an apocalyptic number.

It is an amenable number.

142701 is a deficient number, since it is larger than the sum of its proper divisors (62259).

142701 is a wasteful number, since it uses less digits than its factorization.

142701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3675.

The product of its (nonzero) digits is 56, while the sum is 15.

The square root of 142701 is about 377.7578589520. The cubic root of 142701 is about 52.2567430993.

Adding to 142701 its reverse (107241), we get a palindrome (249942).

The spelling of 142701 in words is "one hundred forty-two thousand, seven hundred one", and thus it is an iban number.

Divisors: 1 3 13 39 3659 10977 47567 142701