Base | Representation |
---|---|
bin | 1000111100001… |
… | …10100011110000 |
3 | 12020010101201120 |
4 | 10132012203300 |
5 | 123200000143 |
6 | 11235302240 |
7 | 1600330014 |
oct | 436064360 |
9 | 166111646 |
10 | 75000048 |
11 | 39376712 |
12 | 2114a980 |
13 | 126cc636 |
14 | 9d64544 |
15 | 68b7383 |
hex | 47868f0 |
75000048 has 40 divisors (see below), whose sum is σ = 194060496. Its totient is φ = 24960000.
The previous prime is 75000047. The next prime is 75000071. The reversal of 75000048 is 84000057.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a junction number, because it is equal to n+sod(n) for n = 74999991 and 75000027.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75000047) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56998 + ... + 58298.
Almost surely, 275000048 is an apocalyptic number.
It is an amenable number.
75000048 is an abundant number, since it is smaller than the sum of its proper divisors (119060448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75000048 is a wasteful number, since it uses less digits than its factorization.
75000048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2513 (or 2507 counting only the distinct ones).
The product of its (nonzero) digits is 1120, while the sum is 24.
The square root of 75000048 is about 8660.2568091252. The cubic root of 75000048 is about 421.7164226170.
Subtracting 75000048 from its reverse (84000057), we obtain a palindrome (9000009).
It can be divided in two parts, 750000 and 48, that multiplied together give a square (36000000 = 60002).
The spelling of 75000048 in words is "seventy-five million, forty-eight", and thus it is an aban number and an uban number.
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