Base | Representation |
---|---|
bin | 1101101001101… |
… | …0010000100010 |
3 | 10222201212000120 |
4 | 3122122100202 |
5 | 104124124241 |
6 | 5403101110 |
7 | 1263442020 |
oct | 332322042 |
9 | 128655016 |
10 | 57254946 |
11 | 2a356541 |
12 | 17211796 |
13 | bb28688 |
14 | 7865710 |
15 | 505e666 |
hex | 369a422 |
57254946 has 96 divisors (see below), whose sum is σ = 143233920. Its totient is φ = 14936064.
The previous prime is 57254941. The next prime is 57254959. The reversal of 57254946 is 64945275.
It is a Harshad number since it is a multiple of its sum of digits (42).
It is a junction number, because it is equal to n+sod(n) for n = 57254898 and 57254907.
It is not an unprimeable number, because it can be changed into a prime (57254941) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 643270 + ... + 643358.
It is an arithmetic number, because the mean of its divisors is an integer number (1492020).
Almost surely, 257254946 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 57254946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71616960).
57254946 is an abundant number, since it is smaller than the sum of its proper divisors (85978974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57254946 is a wasteful number, since it uses less digits than its factorization.
57254946 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 188 (or 171 counting only the distinct ones).
The product of its digits is 302400, while the sum is 42.
The square root of 57254946 is about 7566.6998090317. The cubic root of 57254946 is about 385.4230375546.
The spelling of 57254946 in words is "fifty-seven million, two hundred fifty-four thousand, nine hundred forty-six".
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