Base | Representation |
---|---|
bin | 100110000011… |
… | …0011000111000 |
3 | 1101112112001000 |
4 | 1030012120320 |
5 | 20101332422 |
6 | 1551325000 |
7 | 331364451 |
oct | 114063070 |
9 | 41475030 |
10 | 19949112 |
11 | 10296077 |
12 | 6820760 |
13 | 4196211 |
14 | 2914128 |
15 | 1b40cac |
hex | 1306638 |
19949112 has 32 divisors (see below), whose sum is σ = 55414800. Its totient is φ = 6649632.
The previous prime is 19949093. The next prime is 19949173. The reversal of 19949112 is 21194991.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a nude number because it is divisible by every one of its digits.
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, 45963 + ... + 46394.
Almost surely, 219949112 is an apocalyptic number.
19949112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19949112 is an abundant number, since it is smaller than the sum of its proper divisors (35465688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19949112 is a wasteful number, since it uses less digits than its factorization.
19949112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92372 (or 92362 counting only the distinct ones).
The product of its digits is 5832, while the sum is 36.
The square root of 19949112 is about 4466.4428799661. The cubic root of 19949112 is about 271.2113473207.
The spelling of 19949112 in words is "nineteen million, nine hundred forty-nine thousand, one hundred twelve".
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