Base | Representation |
---|---|
bin | 1000111111110… |
… | …01011111110000 |
3 | 12021000022112000 |
4 | 10133321133300 |
5 | 123310031312 |
6 | 11253334000 |
7 | 1604330403 |
oct | 437713760 |
9 | 167008460 |
10 | 75470832 |
11 | 39668398 |
12 | 21337300 |
13 | 128359c8 |
14 | a047d3a |
15 | 695badc |
hex | 47f97f0 |
75470832 has 80 divisors (see below), whose sum is σ = 221964960. Its totient is φ = 24537600.
The previous prime is 75470749. The next prime is 75470851. The reversal of 75470832 is 23807457.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15582 + ... + 19842.
It is an arithmetic number, because the mean of its divisors is an integer number (2774562).
Almost surely, 275470832 is an apocalyptic number.
75470832 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 75470832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110982480).
75470832 is an abundant number, since it is smaller than the sum of its proper divisors (146494128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75470832 is a wasteful number, since it uses less digits than its factorization.
75470832 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4319 (or 4307 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 36.
The square root of 75470832 is about 8687.3950065598. The cubic root of 75470832 is about 422.5969703777.
The spelling of 75470832 in words is "seventy-five million, four hundred seventy thousand, eight hundred thirty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •