Base | Representation |
---|---|
bin | 100110100001… |
… | …0010010111000 |
3 | 1101222222122000 |
4 | 1031002102320 |
5 | 20132210423 |
6 | 2000501000 |
7 | 333436026 |
oct | 115022270 |
9 | 41888560 |
10 | 20194488 |
11 | 10443466 |
12 | 691a760 |
13 | 4250b02 |
14 | 2979716 |
15 | 1b8d843 |
hex | 13424b8 |
20194488 has 32 divisors (see below), whose sum is σ = 56096400. Its totient is φ = 6731424.
The previous prime is 20194409. The next prime is 20194507. The reversal of 20194488 is 88449102.
20194488 is a `hidden beast` number, since 201 + 9 + 448 + 8 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46531 + ... + 46962.
Almost surely, 220194488 is an apocalyptic number.
It is an amenable number.
20194488 is an abundant number, since it is smaller than the sum of its proper divisors (35901912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20194488 is a wasteful number, since it uses less digits than its factorization.
20194488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 93508 (or 93498 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 36.
The square root of 20194488 is about 4493.8277670601. The cubic root of 20194488 is about 272.3187943234.
The spelling of 20194488 in words is "twenty million, one hundred ninety-four thousand, four hundred eighty-eight".
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