Base | Representation |
---|---|
bin | 1000110110011… |
… | …00101000010101 |
3 | 12011200201001112 |
4 | 10123030220111 |
5 | 123001112420 |
6 | 11211104405 |
7 | 1561005506 |
oct | 433145025 |
9 | 164621045 |
10 | 74238485 |
11 | 389a6522 |
12 | 20a42105 |
13 | 124c3ac9 |
14 | 9c06bad |
15 | 67b68c5 |
hex | 46cca15 |
74238485 has 8 divisors (see below), whose sum is σ = 89788416. Its totient is φ = 58922640.
The previous prime is 74238481. The next prime is 74238509. The reversal of 74238485 is 58483247.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 74238485 - 22 = 74238481 is a prime.
It is a super-2 number, since 2×742384852 = 11022705310190450, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74238481) 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, 57821 + ... + 59090.
It is an arithmetic number, because the mean of its divisors is an integer number (11223552).
Almost surely, 274238485 is an apocalyptic number.
It is an amenable number.
74238485 is a deficient number, since it is larger than the sum of its proper divisors (15549931).
74238485 is a wasteful number, since it uses less digits than its factorization.
74238485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 117043.
The product of its digits is 215040, while the sum is 41.
The square root of 74238485 is about 8616.1757758300. The cubic root of 74238485 is about 420.2841708771.
The spelling of 74238485 in words is "seventy-four million, two hundred thirty-eight thousand, four hundred eighty-five".
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