Base | Representation |
---|---|
bin | 1100110110010… |
… | …0001011111000 |
3 | 10202101210002002 |
4 | 3031210023320 |
5 | 102243401421 |
6 | 5203000132 |
7 | 1223016050 |
oct | 315441370 |
9 | 122353062 |
10 | 53887736 |
11 | 28466721 |
12 | 16069048 |
13 | b219b46 |
14 | 722a560 |
15 | 4ae6b0b |
hex | 33642f8 |
53887736 has 32 divisors (see below), whose sum is σ = 115824000. Its totient is φ = 23024736.
The previous prime is 53887733. The next prime is 53887753. The reversal of 53887736 is 63778835.
53887736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53887733) by changing a digit.
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 7 ways as a sum of consecutive naturals, for example, 19955 + ... + 22493.
It is an arithmetic number, because the mean of its divisors is an integer number (3619500).
Almost surely, 253887736 is an apocalyptic number.
53887736 is a gapful number since it is divisible by the number (56) formed by its first and last digit.
It is an amenable number.
53887736 is an abundant number, since it is smaller than the sum of its proper divisors (61936264).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53887736 is a wasteful number, since it uses less digits than its factorization.
53887736 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2931 (or 2927 counting only the distinct ones).
The product of its digits is 846720, while the sum is 47.
The square root of 53887736 is about 7340.8266564468. The cubic root of 53887736 is about 377.7142003223.
The spelling of 53887736 in words is "fifty-three million, eight hundred eighty-seven thousand, seven hundred thirty-six".
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