Base | Representation |
---|---|
bin | 100110011110… |
… | …1111111010000 |
3 | 1101222002102200 |
4 | 1030331333100 |
5 | 20131124343 |
6 | 2000243200 |
7 | 333333426 |
oct | 114757720 |
9 | 41862380 |
10 | 20176848 |
11 | 1043118a |
12 | 6910500 |
13 | 4245a83 |
14 | 2973116 |
15 | 1b884d3 |
hex | 133dfd0 |
20176848 has 60 divisors (see below), whose sum is σ = 57417828. Its totient is φ = 6612480.
The previous prime is 20176843. The next prime is 20176853. The reversal of 20176848 is 84867102.
It is an interprime number because it is at equal distance from previous prime (20176843) and next prime (20176853).
It can be written as a sum of positive squares in 2 ways, for example, as 4112784 + 16064064 = 2028^2 + 4008^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20176843) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7636 + ... + 9932.
Almost surely, 220176848 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 20176848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28708914).
20176848 is an abundant number, since it is smaller than the sum of its proper divisors (37240980).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20176848 is a wasteful number, since it uses less digits than its factorization.
20176848 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2372 (or 2363 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The square root of 20176848 is about 4491.8646462243. The cubic root of 20176848 is about 272.2394805539.
The spelling of 20176848 in words is "twenty million, one hundred seventy-six thousand, eight hundred forty-eight".
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