Base | Representation |
---|---|
bin | 1101000010010… |
… | …1000010001100 |
3 | 10210212220121221 |
4 | 3100211002030 |
5 | 102444141034 |
6 | 5231533124 |
7 | 1232516020 |
oct | 320450214 |
9 | 123786557 |
10 | 54677644 |
11 | 2895613a |
12 | 1638a1a4 |
13 | b435548 |
14 | 7394380 |
15 | 4c00bb4 |
hex | 342508c |
54677644 has 72 divisors (see below), whose sum is σ = 120687840. Its totient is φ = 21202944.
The previous prime is 54677633. The next prime is 54677669. The reversal of 54677644 is 44677645.
Its product of digits (564480) is a multiple of the sum of its prime divisors (288).
It is a self number, because there is not a number n which added to its sum of digits gives 54677644.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 234552 + ... + 234784.
It is an arithmetic number, because the mean of its divisors is an integer number (1676220).
Almost surely, 254677644 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 54677644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60343920).
54677644 is an abundant number, since it is smaller than the sum of its proper divisors (66010196).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
54677644 is a wasteful number, since it uses less digits than its factorization.
54677644 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 307 (or 288 counting only the distinct ones).
The product of its digits is 564480, while the sum is 43.
The square root of 54677644 is about 7394.4333116203. The cubic root of 54677644 is about 379.5508173557.
Subtracting from 54677644 its reverse (44677645), we obtain a palindrome (9999999).
The spelling of 54677644 in words is "fifty-four million, six hundred seventy-seven thousand, six hundred forty-four".
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