Search a number
-
+
141242405 = 5153118451
BaseRepresentation
bin10000110101100…
…11000000100101
3100211202212011012
420122303000211
5242124224110
622003152005
73333353303
oct1032630045
9324685135
10141242405
1172800567
123b375605
13233539b5
1414a89273
15c5ee905
hex86b3025

141242405 has 8 divisors (see below), whose sum is σ = 169610784. Its totient is φ = 112914000.

The previous prime is 141242393. The next prime is 141242407. The reversal of 141242405 is 504242141.

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

It is not a de Polignac number, because 141242405 - 220 = 140193829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (141242407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1571 + ... + 16880.

It is an arithmetic number, because the mean of its divisors is an integer number (21201348).

Almost surely, 2141242405 is an apocalyptic number.

It is an amenable number.

141242405 is a deficient number, since it is larger than the sum of its proper divisors (28368379).

141242405 is a wasteful number, since it uses less digits than its factorization.

141242405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19987.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 141242405 is about 11884.5447956579. The cubic root of 141242405 is about 520.7808842047.

Adding to 141242405 its reverse (504242141), we get a palindrome (645484546).

The spelling of 141242405 in words is "one hundred forty-one million, two hundred forty-two thousand, four hundred five".

Divisors: 1 5 1531 7655 18451 92255 28248481 141242405