Base | Representation |
---|---|
bin | 1100101011000… |
… | …1011000010110 |
3 | 10201000120102200 |
4 | 3022301120112 |
5 | 102101432400 |
6 | 5135145330 |
7 | 1213545603 |
oct | 312613026 |
9 | 121016380 |
10 | 53155350 |
11 | 28006446 |
12 | 15975246 |
13 | b021691 |
14 | 70b96aa |
15 | 49eeb00 |
hex | 32b1616 |
53155350 has 72 divisors (see below), whose sum is σ = 150351240. Its totient is φ = 13426560.
The previous prime is 53155337. The next prime is 53155351. The reversal of 53155350 is 5355135.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (53155351) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5442 + ... + 11658.
Almost surely, 253155350 is an apocalyptic number.
53155350 is a gapful number since it is divisible by the number (50) formed by its first and last digit.
It is a practical number, because each smaller number is the sum of distinct divisors of 53155350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75175620).
53155350 is an abundant number, since it is smaller than the sum of its proper divisors (97195890).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53155350 is a wasteful number, since it uses less digits than its factorization.
53155350 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6254 (or 6246 counting only the distinct ones).
The product of its (nonzero) digits is 5625, while the sum is 27.
The square root of 53155350 is about 7290.7715641076. The cubic root of 53155350 is about 375.9952230795.
It can be divided in two parts, 53 and 155350, that added together give a triangular number (155403 = T557).
The spelling of 53155350 in words is "fifty-three million, one hundred fifty-five thousand, three hundred fifty".
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