Base | Representation |
---|---|
bin | 1001000011101… |
… | …01111100000110 |
3 | 12021222012201110 |
4 | 10201311330012 |
5 | 123422334200 |
6 | 11312305450 |
7 | 1611552432 |
oct | 441657406 |
9 | 167865643 |
10 | 75980550 |
11 | 39986348 |
12 | 21542286 |
13 | 12983a09 |
14 | a13b9c2 |
15 | 6a0cb50 |
hex | 4875f06 |
75980550 has 24 divisors (see below), whose sum is σ = 188432136. Its totient is φ = 20261440.
The previous prime is 75980549. The next prime is 75980557. The reversal of 75980550 is 5508957.
It is a junction number, because it is equal to n+sod(n) for n = 75980499 and 75980508.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75980557) 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 11 ways as a sum of consecutive naturals, for example, 253119 + ... + 253418.
It is an arithmetic number, because the mean of its divisors is an integer number (7851339).
Almost surely, 275980550 is an apocalyptic number.
75980550 is an abundant number, since it is smaller than the sum of its proper divisors (112451586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75980550 is a wasteful number, since it uses less digits than its factorization.
75980550 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 506552 (or 506547 counting only the distinct ones).
The product of its (nonzero) digits is 63000, while the sum is 39.
The square root of 75980550 is about 8716.6822816941. The cubic root of 75980550 is about 423.5462207948.
The spelling of 75980550 in words is "seventy-five million, nine hundred eighty thousand, five hundred fifty".
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