Search a number
-
+
11908142 = 25954071
BaseRepresentation
bin101101011011…
…010000101110
3211101222220022
4231123100232
511022030032
61103122142
7203134421
oct55332056
924358808
1011908142
1167a3844
123ba3352
13260c24c
14181d9b8
1510a3512
hexb5b42e

11908142 has 4 divisors (see below), whose sum is σ = 17862216. Its totient is φ = 5954070.

The previous prime is 11908133. The next prime is 11908157. The reversal of 11908142 is 24180911.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24180911 = 137176503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2977034 + ... + 2977037.

It is an arithmetic number, because the mean of its divisors is an integer number (4465554).

Almost surely, 211908142 is an apocalyptic number.

11908142 is a deficient number, since it is larger than the sum of its proper divisors (5954074).

11908142 is an equidigital number, since it uses as much as digits as its factorization.

11908142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954073.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 11908142 is about 3450.8175842835. The cubic root of 11908142 is about 228.3571784405.

The spelling of 11908142 in words is "eleven million, nine hundred eight thousand, one hundred forty-two".

Divisors: 1 2 5954071 11908142