Base | Representation |
---|---|
bin | 1000111010000… |
… | …10111100101000 |
3 | 12012121022211200 |
4 | 10131002330220 |
5 | 123112114422 |
6 | 11225324200 |
7 | 1565064432 |
oct | 435027450 |
9 | 165538750 |
10 | 74723112 |
11 | 391a7642 |
12 | 21036660 |
13 | 12633579 |
14 | 9cd1652 |
15 | 68602ac |
hex | 4742f28 |
74723112 has 48 divisors (see below), whose sum is σ = 203648640. Its totient is φ = 24751008.
The previous prime is 74723093. The next prime is 74723119. The reversal of 74723112 is 21132747.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (74723119) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8553 + ... + 14919.
It is an arithmetic number, because the mean of its divisors is an integer number (4242680).
Almost surely, 274723112 is an apocalyptic number.
74723112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 74723112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101824320).
74723112 is an abundant number, since it is smaller than the sum of its proper divisors (128925528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74723112 is a wasteful number, since it uses less digits than its factorization.
74723112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6542 (or 6535 counting only the distinct ones).
The product of its digits is 2352, while the sum is 27.
The square root of 74723112 is about 8644.2531198479. The cubic root of 74723112 is about 421.1967229448.
Adding to 74723112 its reverse (21132747), we get a palindrome (95855859).
The spelling of 74723112 in words is "seventy-four million, seven hundred twenty-three thousand, one hundred twelve".
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