Base | Representation |
---|---|
bin | 1111100000111… |
… | …0110000011000 |
3 | 11112110000012201 |
4 | 3320032300120 |
5 | 113124302102 |
6 | 10242415544 |
7 | 1420050505 |
oct | 370166030 |
9 | 145400181 |
10 | 65072152 |
11 | 33805742 |
12 | 199615b4 |
13 | 10634842 |
14 | 88dc4ac |
15 | 5aa5987 |
hex | 3e0ec18 |
65072152 has 16 divisors (see below), whose sum is σ = 127315440. Its totient is φ = 31121376.
The previous prime is 65072149. The next prime is 65072153. The reversal of 65072152 is 25127056.
It is a super-2 number, since 2×650721522 = 8468769931822208, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 65072152.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (65072153) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 176643 + ... + 177010.
It is an arithmetic number, because the mean of its divisors is an integer number (7957215).
Almost surely, 265072152 is an apocalyptic number.
It is an amenable number.
65072152 is a deficient number, since it is larger than the sum of its proper divisors (62243288).
65072152 is a wasteful number, since it uses less digits than its factorization.
65072152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 353682 (or 353678 counting only the distinct ones).
The product of its (nonzero) digits is 4200, while the sum is 28.
The square root of 65072152 is about 8066.7311843150. The cubic root of 65072152 is about 402.2212918229.
The spelling of 65072152 in words is "sixty-five million, seventy-two thousand, one hundred fifty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •