Base | Representation |
---|---|
bin | 100101111110… |
… | …0001100110110 |
3 | 1101110101210110 |
4 | 1023330030312 |
5 | 20044014012 |
6 | 1550403450 |
7 | 331132005 |
oct | 113741466 |
9 | 41411713 |
10 | 19907382 |
11 | 10267790 |
12 | 6800586 |
13 | 4180221 |
14 | 2902c3c |
15 | 1b3373c |
hex | 12fc336 |
19907382 has 16 divisors (see below), whose sum is σ = 43434432. Its totient is φ = 6032520.
The previous prime is 19907359. The next prime is 19907413. The reversal of 19907382 is 28370991.
It is a self number, because there is not a number n which added to its sum of digits gives 19907382.
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, 150748 + ... + 150879.
It is an arithmetic number, because the mean of its divisors is an integer number (2714652).
Almost surely, 219907382 is an apocalyptic number.
19907382 is an abundant number, since it is smaller than the sum of its proper divisors (23527050).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19907382 is a wasteful number, since it uses less digits than its factorization.
19907382 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 301643.
The product of its (nonzero) digits is 27216, while the sum is 39.
The square root of 19907382 is about 4461.7689317131. The cubic root of 19907382 is about 271.0221066465.
The spelling of 19907382 in words is "nineteen million, nine hundred seven thousand, three hundred eighty-two".
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