Base | Representation |
---|---|
bin | 1001000001010… |
… | …01111000011100 |
3 | 12021101101101022 |
4 | 10200221320130 |
5 | 123332402040 |
6 | 11301503312 |
7 | 1606114250 |
oct | 440517034 |
9 | 167341338 |
10 | 75669020 |
11 | 39793289 |
12 | 21411b38 |
13 | 128a4c8b |
14 | a09a260 |
15 | 699a6b5 |
hex | 4829e1c |
75669020 has 48 divisors (see below), whose sum is σ = 191170560. Its totient is φ = 24577344.
The previous prime is 75668993. The next prime is 75669037. The reversal of 75669020 is 2096657.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 11564 + ... + 16883.
It is an arithmetic number, because the mean of its divisors is an integer number (3982720).
Almost surely, 275669020 is an apocalyptic number.
75669020 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
75669020 is an abundant number, since it is smaller than the sum of its proper divisors (115501540).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75669020 is a wasteful number, since it uses less digits than its factorization.
75669020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 28482 (or 28480 counting only the distinct ones).
The product of its (nonzero) digits is 22680, while the sum is 35.
The square root of 75669020 is about 8698.7941693088. The cubic root of 75669020 is about 422.9665632388.
The spelling of 75669020 in words is "seventy-five million, six hundred sixty-nine thousand, twenty".
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