Base | Representation |
---|---|
bin | 100110001111… |
… | …0101001111100 |
3 | 1101201120101100 |
4 | 1030132221330 |
5 | 20113023013 |
6 | 1553413100 |
7 | 332260314 |
oct | 114365174 |
9 | 41646340 |
10 | 20048508 |
11 | 10353817 |
12 | 686a190 |
13 | 41cc52c |
14 | 293c444 |
15 | 1b60473 |
hex | 131ea7c |
20048508 has 108 divisors (see below), whose sum is σ = 56320992. Its totient is φ = 6005760.
The previous prime is 20048503. The next prime is 20048513. The reversal of 20048508 is 80584002.
It is an interprime number because it is at equal distance from previous prime (20048503) and next prime (20048513).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20048503) 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, 426541 + ... + 426587.
Almost surely, 220048508 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 20048508, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28160496).
20048508 is an abundant number, since it is smaller than the sum of its proper divisors (36272484).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20048508 is a wasteful number, since it uses less digits than its factorization.
20048508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 132 (or 110 counting only the distinct ones).
The product of its (nonzero) digits is 2560, while the sum is 27.
The square root of 20048508 is about 4477.5560298002. The cubic root of 20048508 is about 271.6610360951.
The spelling of 20048508 in words is "twenty million, forty-eight thousand, five hundred eight".
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