Base | Representation |
---|---|
bin | 1001000011101… |
… | …00100011101101 |
3 | 12021221220221221 |
4 | 10201310203231 |
5 | 123422144033 |
6 | 11312223341 |
7 | 1611530101 |
oct | 441644355 |
9 | 167856857 |
10 | 75974893 |
11 | 39982075 |
12 | 2153ab51 |
13 | 12981277 |
14 | a139901 |
15 | 6a0b12d |
hex | 48748ed |
75974893 has 8 divisors (see below), whose sum is σ = 78552320. Its totient is φ = 73405440.
The previous prime is 75974881. The next prime is 75974897. The reversal of 75974893 is 39847957.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-75974893 is a prime.
It is a super-2 number, since 2×759748932 = 11544368732722898, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75974893.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75974897) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22246 + ... + 25432.
It is an arithmetic number, because the mean of its divisors is an integer number (9819040).
Almost surely, 275974893 is an apocalyptic number.
It is an amenable number.
75974893 is a deficient number, since it is larger than the sum of its proper divisors (2577427).
75974893 is a wasteful number, since it uses less digits than its factorization.
75974893 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3987.
The product of its digits is 1905120, while the sum is 52.
The square root of 75974893 is about 8716.3577829275. The cubic root of 75974893 is about 423.5357090677.
It can be divided in two parts, 75974 and 893, that added together give a palindrome (76867).
The spelling of 75974893 in words is "seventy-five million, nine hundred seventy-four thousand, eight hundred ninety-three".
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