Base | Representation |
---|---|
bin | 1000110101110… |
… | …01110001011010 |
3 | 12011112210002200 |
4 | 10122321301122 |
5 | 122441124432 |
6 | 11205311030 |
7 | 1560234351 |
oct | 432716132 |
9 | 164483080 |
10 | 74161242 |
11 | 38953491 |
12 | 20a05476 |
13 | 124978bc |
14 | 9bc6998 |
15 | 679da7c |
hex | 46b9c5a |
74161242 has 24 divisors (see below), whose sum is σ = 170135316. Its totient is φ = 23266176.
The previous prime is 74161201. The next prime is 74161261. The reversal of 74161242 is 24216147.
74161242 is a `hidden beast` number, since 7 + 4 + 1 + 612 + 42 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 73977201 + 184041 = 8601^2 + 429^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 120873 + ... + 121484.
Almost surely, 274161242 is an apocalyptic number.
74161242 is an abundant number, since it is smaller than the sum of its proper divisors (95974074).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74161242 is a wasteful number, since it uses less digits than its factorization.
74161242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242382 (or 242379 counting only the distinct ones).
The product of its digits is 2688, while the sum is 27.
The square root of 74161242 is about 8611.6921682095. The cubic root of 74161242 is about 420.1383557786.
Adding to 74161242 its reverse (24216147), we get a palindrome (98377389).
The spelling of 74161242 in words is "seventy-four million, one hundred sixty-one thousand, two hundred forty-two".
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