Base | Representation |
---|---|
bin | 100101110000… |
… | …0010101010000 |
3 | 1101020121012200 |
4 | 1023200111100 |
5 | 20031340412 |
6 | 1544123200 |
7 | 330145134 |
oct | 113402520 |
9 | 41217180 |
10 | 19793232 |
11 | 10199a48 |
12 | 6766500 |
13 | 4140294 |
14 | 28b33c4 |
15 | 1b0e9dc |
hex | 12e0550 |
19793232 has 30 divisors (see below), whose sum is σ = 55393962. Its totient is φ = 6597696.
The previous prime is 19793203. The next prime is 19793233. The reversal of 19793232 is 23239791.
It can be written as a sum of positive squares in only one way, i.e., 15023376 + 4769856 = 3876^2 + 2184^2 .
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 (19793233) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68583 + ... + 68870.
Almost surely, 219793232 is an apocalyptic number.
19793232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19793232 is an abundant number, since it is smaller than the sum of its proper divisors (35600730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19793232 is a wasteful number, since it uses less digits than its factorization.
19793232 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 137467 (or 137458 counting only the distinct ones).
The product of its digits is 20412, while the sum is 36.
The square root of 19793232 is about 4448.9585298135. The cubic root of 19793232 is about 270.5030949155.
The spelling of 19793232 in words is "nineteen million, seven hundred ninety-three thousand, two hundred thirty-two".
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