Base | Representation |
---|---|
bin | 1000100101111… |
… | …00011011111000 |
3 | 12000121210022110 |
4 | 10102330123320 |
5 | 121422400000 |
6 | 11052452320 |
7 | 1533425124 |
oct | 422743370 |
9 | 160553273 |
10 | 72075000 |
11 | 37759018 |
12 | 2017a0a0 |
13 | 11c1713a |
14 | 9802584 |
15 | 64da850 |
hex | 44bc6f8 |
72075000 has 144 divisors (see below), whose sum is σ = 232719480. Its totient is φ = 18600000.
The previous prime is 72074987. The next prime is 72075013. The reversal of 72075000 is 57027.
It is an interprime number because it is at equal distance from previous prime (72074987) and next prime (72075013).
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, 2324985 + ... + 2325015.
Almost surely, 272075000 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 72075000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116359740).
72075000 is an abundant number, since it is smaller than the sum of its proper divisors (160644480).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
72075000 is an equidigital number, since it uses as much as digits as its factorization.
72075000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 96 (or 41 counting only the distinct ones).
The product of its (nonzero) digits is 490, while the sum is 21.
The square root of 72075000 is about 8489.6996413301. The cubic root of 72075000 is about 416.1611647485.
The spelling of 72075000 in words is "seventy-two million, seventy-five thousand".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •