Base | Representation |
---|---|
bin | 1100101010010… |
… | …0011001100010 |
3 | 10200220212111100 |
4 | 3022210121202 |
5 | 102043232203 |
6 | 5134055230 |
7 | 1213234563 |
oct | 312443142 |
9 | 120825440 |
10 | 53102178 |
11 | 27a7a4a8 |
12 | 1594a516 |
13 | b00340c |
14 | 70a416a |
15 | 49ddea3 |
hex | 32a4662 |
53102178 has 48 divisors (see below), whose sum is σ = 119935296. Its totient is φ = 16964640.
The previous prime is 53102173. The next prime is 53102209. The reversal of 53102178 is 87120135.
It is not an unprimeable number, because it can be changed into a prime (53102173) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46725 + ... + 47847.
It is an arithmetic number, because the mean of its divisors is an integer number (2498652).
Almost surely, 253102178 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 53102178, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59967648).
53102178 is an abundant number, since it is smaller than the sum of its proper divisors (66833118).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
53102178 is a wasteful number, since it uses less digits than its factorization.
53102178 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1239 (or 1236 counting only the distinct ones).
The product of its (nonzero) digits is 1680, while the sum is 27.
The square root of 53102178 is about 7287.1241240972. The cubic root of 53102178 is about 375.8698102538.
The spelling of 53102178 in words is "fifty-three million, one hundred two thousand, one hundred seventy-eight".
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