Base | Representation |
---|---|
bin | 1001000011000… |
… | …00000100010101 |
3 | 12021210122211111 |
4 | 10201200010111 |
5 | 123412002330 |
6 | 11310335021 |
7 | 1611030313 |
oct | 441400425 |
9 | 167718744 |
10 | 75890965 |
11 | 39925007 |
12 | 214ba471 |
13 | 12951cc7 |
14 | a1170b3 |
15 | 69e132a |
hex | 4860115 |
75890965 has 8 divisors (see below), whose sum is σ = 92787768. Its totient is φ = 59567040.
The previous prime is 75890951. The next prime is 75890987. The reversal of 75890965 is 56909857.
It can be written as a sum of positive squares in 4 ways, for example, as 36276529 + 39614436 = 6023^2 + 6294^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 75890965 - 221 = 73793813 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142926 + ... + 143455.
It is an arithmetic number, because the mean of its divisors is an integer number (11598471).
Almost surely, 275890965 is an apocalyptic number.
It is an amenable number.
75890965 is a deficient number, since it is larger than the sum of its proper divisors (16896803).
75890965 is a wasteful number, since it uses less digits than its factorization.
75890965 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286439.
The product of its (nonzero) digits is 680400, while the sum is 49.
The square root of 75890965 is about 8711.5420563756. The cubic root of 75890965 is about 423.3796943598.
The spelling of 75890965 in words is "seventy-five million, eight hundred ninety thousand, nine hundred sixty-five".
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