Base | Representation |
---|---|
bin | 1001000011100… |
… | …00001100100110 |
3 | 12021221000110100 |
4 | 10201300030212 |
5 | 123421111110 |
6 | 11312004530 |
7 | 1611424032 |
oct | 441601446 |
9 | 167830410 |
10 | 75957030 |
11 | 3996a706 |
12 | 21530746 |
13 | 129760b6 |
14 | a1331c2 |
15 | 6a05bc0 |
hex | 4870326 |
75957030 has 48 divisors (see below), whose sum is σ = 198300960. Its totient is φ = 20171904.
The previous prime is 75957023. The next prime is 75957031. The reversal of 75957030 is 3075957.
75957030 is a `hidden beast` number, since 7 + 59 + 570 + 30 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75957031) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22066 + ... + 25274.
It is an arithmetic number, because the mean of its divisors is an integer number (4131270).
Almost surely, 275957030 is an apocalyptic number.
75957030 is an abundant number, since it is smaller than the sum of its proper divisors (122343930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75957030 is a wasteful number, since it uses less digits than its factorization.
75957030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3485 (or 3482 counting only the distinct ones).
The product of its (nonzero) digits is 33075, while the sum is 36.
The square root of 75957030 is about 8715.3330401081. Note that the first 3 decimals coincide. The cubic root of 75957030 is about 423.5025129635.
The spelling of 75957030 in words is "seventy-five million, nine hundred fifty-seven thousand, thirty".
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