Search a number
-
+
747142 = 21133961
BaseRepresentation
bin10110110011010000110
31101221212221
42312122012
5142402032
624002554
76231154
oct2663206
91357787
10747142
11470380
1230045a
132020c6
141563d4
15eb597
hexb6686

747142 has 8 divisors (see below), whose sum is σ = 1222632. Its totient is φ = 339600.

The previous prime is 747139. The next prime is 747157. The reversal of 747142 is 241747.

747142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 16959 + ... + 17002.

It is an arithmetic number, because the mean of its divisors is an integer number (152829).

2747142 is an apocalyptic number.

747142 is a deficient number, since it is larger than the sum of its proper divisors (475490).

747142 is a wasteful number, since it uses less digits than its factorization.

747142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33974.

The product of its digits is 1568, while the sum is 25.

The square root of 747142 is about 864.3737617489. The cubic root of 747142 is about 90.7404753896.

Adding to 747142 its reverse (241747), we get a palindrome (988889).

The spelling of 747142 in words is "seven hundred forty-seven thousand, one hundred forty-two", and thus it is an iban number.

Divisors: 1 2 11 22 33961 67922 373571 747142