Base | Representation |
---|---|
bin | 1101110011010… |
… | …0101000110100 |
3 | 11000220222102111 |
4 | 3130310220310 |
5 | 104304343114 |
6 | 5424420404 |
7 | 1302014410 |
oct | 334645064 |
9 | 130828374 |
10 | 57887284 |
11 | 2a748634 |
12 | 17477704 |
13 | bcba440 |
14 | 798bd40 |
15 | 5136bc4 |
hex | 3734a34 |
57887284 has 48 divisors (see below), whose sum is σ = 125910400. Its totient is φ = 22674816.
The previous prime is 57887273. The next prime is 57887293. The reversal of 57887284 is 48278875.
57887284 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
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 15 ways as a sum of consecutive naturals, for example, 38947 + ... + 40405.
Almost surely, 257887284 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57887284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62955200).
57887284 is an abundant number, since it is smaller than the sum of its proper divisors (68023116).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57887284 is a wasteful number, since it uses less digits than its factorization.
57887284 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1592 (or 1590 counting only the distinct ones).
The product of its digits is 1003520, while the sum is 49.
The square root of 57887284 is about 7608.3693390897. The cubic root of 57887284 is about 386.8367487321.
The spelling of 57887284 in words is "fifty-seven million, eight hundred eighty-seven thousand, two hundred eighty-four".
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