Base | Representation |
---|---|
bin | 1000111100011… |
… | …00010000101001 |
3 | 12020011120202111 |
4 | 10132030100221 |
5 | 123201222101 |
6 | 11240002321 |
7 | 1600455055 |
oct | 436142051 |
9 | 166146674 |
10 | 75023401 |
11 | 39392212 |
12 | 211603a1 |
13 | 1270a15b |
14 | 9d6cc65 |
15 | 68be251 |
hex | 478c429 |
75023401 has 8 divisors (see below), whose sum is σ = 78376320. Its totient is φ = 71678112.
The previous prime is 75023393. The next prime is 75023407. The reversal of 75023401 is 10432057.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 75023401 - 23 = 75023393 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (75023407) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29101 + ... + 31573.
It is an arithmetic number, because the mean of its divisors is an integer number (9797040).
Almost surely, 275023401 is an apocalyptic number.
It is an amenable number.
75023401 is a deficient number, since it is larger than the sum of its proper divisors (3352919).
75023401 is a wasteful number, since it uses less digits than its factorization.
75023401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3815.
The product of its (nonzero) digits is 840, while the sum is 22.
The square root of 75023401 is about 8661.6049898388. The cubic root of 75023401 is about 421.7601884629.
Adding to 75023401 its reverse (10432057), we get a palindrome (85455458).
The spelling of 75023401 in words is "seventy-five million, twenty-three thousand, four hundred one".
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