Base | Representation |
---|---|
bin | 100101000001… |
… | …1011100000110 |
3 | 1100112021021110 |
4 | 1022003130012 |
5 | 14432201432 |
6 | 1532025450 |
7 | 324001626 |
oct | 112033406 |
9 | 40467243 |
10 | 19412742 |
11 | aa5a098 |
12 | 6602286 |
13 | 403903b |
14 | 2814886 |
15 | 1a86dcc |
hex | 1283706 |
19412742 has 16 divisors (see below), whose sum is σ = 41109552. Its totient is φ = 6090240.
The previous prime is 19412741. The next prime is 19412747. The reversal of 19412742 is 24721491.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19412741) 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, 95059 + ... + 95262.
It is an arithmetic number, because the mean of its divisors is an integer number (2569347).
Almost surely, 219412742 is an apocalyptic number.
19412742 is an abundant number, since it is smaller than the sum of its proper divisors (21696810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19412742 is a wasteful number, since it uses less digits than its factorization.
19412742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190343.
The product of its digits is 4032, while the sum is 30.
The square root of 19412742 is about 4405.9893327152. The cubic root of 19412742 is about 268.7585530359.
The spelling of 19412742 in words is "nineteen million, four hundred twelve thousand, seven hundred forty-two".
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