Base | Representation |
---|---|
bin | 1001000010110… |
… | …10111101100110 |
3 | 12021202121011000 |
4 | 10201122331212 |
5 | 123410320204 |
6 | 11310054130 |
7 | 1610612331 |
oct | 441327546 |
9 | 167677130 |
10 | 75870054 |
11 | 39910327 |
12 | 214aa346 |
13 | 12945630 |
14 | a10d618 |
15 | 69da039 |
hex | 485af66 |
75870054 has 128 divisors (see below), whose sum is σ = 196116480. Its totient is φ = 21555072.
The previous prime is 75870029. The next prime is 75870071. The reversal of 75870054 is 45007857.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 597339 + ... + 597465.
It is an arithmetic number, because the mean of its divisors is an integer number (1532160).
Almost surely, 275870054 is an apocalyptic number.
75870054 is a gapful number since it is divisible by the number (74) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 75870054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98058240).
75870054 is an abundant number, since it is smaller than the sum of its proper divisors (120246426).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75870054 is a wasteful number, since it uses less digits than its factorization.
75870054 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 211 (or 205 counting only the distinct ones).
The product of its (nonzero) digits is 39200, while the sum is 36.
The square root of 75870054 is about 8710.3417843389. The cubic root of 75870054 is about 423.3408047675.
The spelling of 75870054 in words is "seventy-five million, eight hundred seventy thousand, fifty-four".
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