Base | Representation |
---|---|
bin | 100101110000… |
… | …0101011001000 |
3 | 1101020200010112 |
4 | 1023200223020 |
5 | 20031412012 |
6 | 1544133452 |
7 | 330152204 |
oct | 113405310 |
9 | 41220115 |
10 | 19794632 |
11 | 101a0000 |
12 | 6767288 |
13 | 4140b00 |
14 | 28b3b04 |
15 | 1b10122 |
hex | 12e0ac8 |
19794632 has 60 divisors (see below), whose sum is σ = 44208225. Its totient is φ = 8305440.
The previous prime is 19794629. The next prime is 19794641. The reversal of 19794632 is 23649791.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
It can be written as a sum of positive squares in 2 ways, for example, as 16924996 + 2869636 = 4114^2 + 1694^2 .
It is an ABA number since it can be written as A⋅BA, here for A=2, B=3146.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 19794632.
It is an unprimeable number.
It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 1522658 + ... + 1522670.
Almost surely, 219794632 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 19794632
19794632 is an abundant number, since it is smaller than the sum of its proper divisors (24413593).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19794632 is an equidigital number, since it uses as much as digits as its factorization.
19794632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 76 (or 26 counting only the distinct ones).
The product of its digits is 81648, while the sum is 41.
The square root of 19794632 is about 4449.1158672258. The cubic root of 19794632 is about 270.5094724390.
The spelling of 19794632 in words is "nineteen million, seven hundred ninety-four thousand, six hundred thirty-two".
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