Base | Representation |
---|---|
bin | 1001000001001… |
… | …00110000001100 |
3 | 12021100022120020 |
4 | 10200210300030 |
5 | 123331214022 |
6 | 11301222140 |
7 | 1605666066 |
oct | 440446014 |
9 | 167308506 |
10 | 75648012 |
11 | 39779520 |
12 | 21401950 |
13 | 1289854b |
14 | a092736 |
15 | 699435c |
hex | 4824c0c |
75648012 has 48 divisors (see below), whose sum is σ = 200938752. Its totient is φ = 21926080.
The previous prime is 75648007. The next prime is 75648019. The reversal of 75648012 is 21084657.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (75648019) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9423 + ... + 15494.
It is an arithmetic number, because the mean of its divisors is an integer number (4186224).
Almost surely, 275648012 is an apocalyptic number.
It is an amenable number.
75648012 is an abundant number, since it is smaller than the sum of its proper divisors (125290740).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75648012 is a wasteful number, since it uses less digits than its factorization.
75648012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24958 (or 24956 counting only the distinct ones).
The product of its (nonzero) digits is 13440, while the sum is 33.
The square root of 75648012 is about 8697.5865617998. The cubic root of 75648012 is about 422.9274168616.
It can be divided in two parts, 7564 and 8012, that added together give a triangular number (15576 = T176).
The spelling of 75648012 in words is "seventy-five million, six hundred forty-eight thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.076 sec. • engine limits •