Base | Representation |
---|---|
bin | 100100011011… |
… | …0011100011100 |
3 | 1022221020200002 |
4 | 1020312130130 |
5 | 14342103442 |
6 | 1521153432 |
7 | 321216320 |
oct | 110663434 |
9 | 38836602 |
10 | 19097372 |
11 | a864158 |
12 | 648b878 |
13 | 3c58628 |
14 | 2771980 |
15 | 1a23732 |
hex | 123671c |
19097372 has 12 divisors (see below), whose sum is σ = 38194800. Its totient is φ = 8184576.
The previous prime is 19097357. The next prime is 19097417. The reversal of 19097372 is 27379091.
19097372 is an admirable number.
It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 340997 + ... + 341052.
It is an arithmetic number, because the mean of its divisors is an integer number (3182900).
Almost surely, 219097372 is an apocalyptic number.
It is an amenable number.
19097372 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19097372 is a wasteful number, since it uses less digits than its factorization.
19097372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 682060 (or 682058 counting only the distinct ones).
The product of its (nonzero) digits is 23814, while the sum is 38.
The square root of 19097372 is about 4370.0540042430. The cubic root of 19097372 is about 267.2952262867.
The spelling of 19097372 in words is "nineteen million, ninety-seven thousand, three hundred seventy-two".
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