Base | Representation |
---|---|
bin | 1100101110100… |
… | …0001100100000 |
3 | 10201102222102022 |
4 | 3023220030200 |
5 | 102131123442 |
6 | 5144041012 |
7 | 1215502310 |
oct | 313501440 |
9 | 121388368 |
10 | 53379872 |
11 | 2814a0a7 |
12 | 15a63168 |
13 | b09c930 |
14 | 7137440 |
15 | 4a463d2 |
hex | 32e8320 |
53379872 has 96 divisors (see below), whose sum is σ = 135136512. Its totient is φ = 20173824.
The previous prime is 53379871. The next prime is 53379883. The reversal of 53379872 is 27897335.
It is not an unprimeable number, because it can be changed into a prime (53379871) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66578 + ... + 67374.
It is an arithmetic number, because the mean of its divisors is an integer number (1407672).
Almost surely, 253379872 is an apocalyptic number.
53379872 is a gapful number since it is divisible by the number (52) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53379872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67568256).
53379872 is an abundant number, since it is smaller than the sum of its proper divisors (81756640).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53379872 is a wasteful number, since it uses less digits than its factorization.
53379872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 850 (or 842 counting only the distinct ones).
The product of its digits is 317520, while the sum is 44.
The square root of 53379872 is about 7306.1530233085. The cubic root of 53379872 is about 376.5238661271.
The spelling of 53379872 in words is "fifty-three million, three hundred seventy-nine thousand, eight hundred seventy-two".
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