Search a number
-
+
342242503 = 2391431977
BaseRepresentation
bin10100011001100…
…011010011000111
3212211222201110021
4110121203103013
51200103230003
653543240011
711324004361
oct2431432307
9784881407
10342242503
11166206949
1296749007
1355b9b275
143364bd31
15200a52bd
hex146634c7

342242503 has 4 divisors (see below), whose sum is σ = 343674720. Its totient is φ = 340810288.

The previous prime is 342242501. The next prime is 342242519. The reversal of 342242503 is 305242243.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305242243 = 1456120963.

It is a cyclic number.

It is not a de Polignac number, because 342242503 - 21 = 342242501 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 (342242501) 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, 715750 + ... + 716227.

It is an arithmetic number, because the mean of its divisors is an integer number (85918680).

Almost surely, 2342242503 is an apocalyptic number.

342242503 is a deficient number, since it is larger than the sum of its proper divisors (1432217).

342242503 is a wasteful number, since it uses less digits than its factorization.

342242503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432216.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 342242503 is about 18499.7973772688. The cubic root of 342242503 is about 699.4843161118.

Adding to 342242503 its reverse (305242243), we get a palindrome (647484746).

The spelling of 342242503 in words is "three hundred forty-two million, two hundred forty-two thousand, five hundred three".

Divisors: 1 239 1431977 342242503