Base | Representation |
---|---|
bin | 1101110011000… |
… | …1000101101110 |
3 | 11000220020111012 |
4 | 3130301011232 |
5 | 104303412000 |
6 | 5424225222 |
7 | 1301624135 |
oct | 334610556 |
9 | 130806435 |
10 | 57872750 |
11 | 2a738721 |
12 | 1746b212 |
13 | bcb3940 |
14 | 798691c |
15 | 5132735 |
hex | 373116e |
57872750 has 32 divisors (see below), whose sum is σ = 116678016. Its totient is φ = 21367200.
The previous prime is 57872747. The next prime is 57872783. The reversal of 57872750 is 5727875.
Added to its reverse (5727875) it gives a square (63600625 = 79752).
It is a junction number, because it is equal to n+sod(n) for n = 57872698 and 57872707.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5654 + ... + 12153.
It is an arithmetic number, because the mean of its divisors is an integer number (3646188).
Almost surely, 257872750 is an apocalyptic number.
57872750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
57872750 is an abundant number, since it is smaller than the sum of its proper divisors (58805266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
57872750 is a wasteful number, since it uses less digits than its factorization.
57872750 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17837 (or 17827 counting only the distinct ones).
The product of its (nonzero) digits is 137200, while the sum is 41.
The square root of 57872750 is about 7607.4141467387. The cubic root of 57872750 is about 386.8043711210.
Adding to 57872750 its reverse (5727875), we get a square (63600625 = 79752).
The spelling of 57872750 in words is "fifty-seven million, eight hundred seventy-two thousand, seven hundred fifty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •