Base | Representation |
---|---|
bin | 1100110110001… |
… | …0011111010001 |
3 | 10202101102112122 |
4 | 3031202133101 |
5 | 102243141120 |
6 | 5202504025 |
7 | 1222656560 |
oct | 315423721 |
9 | 122342478 |
10 | 53880785 |
11 | 28461482 |
12 | 16065015 |
13 | b21692a |
14 | 7227bd7 |
15 | 4ae4a25 |
hex | 33627d1 |
53880785 has 8 divisors (see below), whose sum is σ = 73893696. Its totient is φ = 36946800.
The previous prime is 53880781. The next prime is 53880787. The reversal of 53880785 is 58708835.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 53880785 - 22 = 53880781 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (53880781) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 769691 + ... + 769760.
It is an arithmetic number, because the mean of its divisors is an integer number (9236712).
Almost surely, 253880785 is an apocalyptic number.
It is an amenable number.
53880785 is a deficient number, since it is larger than the sum of its proper divisors (20012911).
53880785 is a wasteful number, since it uses less digits than its factorization.
53880785 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1539463.
The product of its (nonzero) digits is 268800, while the sum is 44.
The square root of 53880785 is about 7340.3531931372. The cubic root of 53880785 is about 377.6979591235.
The spelling of 53880785 in words is "fifty-three million, eight hundred eighty thousand, seven hundred eighty-five".
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