Base | Representation |
---|---|
bin | 1000111100000… |
… | …00100011110000 |
3 | 12020002011000100 |
4 | 10132000203300 |
5 | 123143203342 |
6 | 11234552400 |
7 | 1600165245 |
oct | 436004360 |
9 | 166064010 |
10 | 74975472 |
11 | 3935a200 |
12 | 21138700 |
13 | 126c13b0 |
14 | 9d595cc |
15 | 68aee4c |
hex | 47808f0 |
74975472 has 180 divisors, whose sum is σ = 249128152. Its totient is φ = 20908800.
The previous prime is 74975437. The next prime is 74975519. The reversal of 74975472 is 27457947.
Its product of digits (493920) is a multiple of the sum of its prime divisors (360).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 226347 + ... + 226677.
Almost surely, 274975472 is an apocalyptic number.
74975472 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 74975472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124564076).
74975472 is an abundant number, since it is smaller than the sum of its proper divisors (174152680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74975472 is a wasteful number, since it uses less digits than its factorization.
74975472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 380 (or 360 counting only the distinct ones).
The product of its digits is 493920, while the sum is 45.
The square root of 74975472 is about 8658.8377973028. The cubic root of 74975472 is about 421.6703549352.
The spelling of 74975472 in words is "seventy-four million, nine hundred seventy-five thousand, four hundred seventy-two".
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