Base | Representation |
---|---|
bin | 1001000010100… |
… | …00100110100100 |
3 | 12021200102221101 |
4 | 10201100212210 |
5 | 123402440440 |
6 | 11305125444 |
7 | 1610344531 |
oct | 441204644 |
9 | 167612841 |
10 | 75827620 |
11 | 39891460 |
12 | 21489884 |
13 | 1292c21b |
14 | a0dbd88 |
15 | 69cc69a |
hex | 48509a4 |
75827620 has 24 divisors (see below), whose sum is σ = 173714688. Its totient is φ = 27573600.
The previous prime is 75827617. The next prime is 75827627. The reversal of 75827620 is 2672857.
It is a self number, because there is not a number n which added to its sum of digits gives 75827620.
It is not an unprimeable number, because it can be changed into a prime (75827627) 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, 172116 + ... + 172555.
It is an arithmetic number, because the mean of its divisors is an integer number (7238112).
Almost surely, 275827620 is an apocalyptic number.
It is an amenable number.
75827620 is an abundant number, since it is smaller than the sum of its proper divisors (97887068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75827620 is a wasteful number, since it uses less digits than its factorization.
75827620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 344691 (or 344689 counting only the distinct ones).
The product of its (nonzero) digits is 47040, while the sum is 37.
The square root of 75827620 is about 8707.9056035306. The cubic root of 75827620 is about 423.2618654369.
It can be divided in two parts, 758276 and 20, that added together give a triangular number (758296 = T1231).
The spelling of 75827620 in words is "seventy-five million, eight hundred twenty-seven thousand, six hundred twenty".
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