Base | Representation |
---|---|
bin | 100100100000… |
… | …1011011111100 |
3 | 1100000112102122 |
4 | 1021001123330 |
5 | 14400024041 |
6 | 1522142112 |
7 | 321464510 |
oct | 111013374 |
9 | 40015378 |
10 | 19142396 |
11 | a894a69 |
12 | 64b1938 |
13 | 3c72c80 |
14 | 2784140 |
15 | 1a31c4b |
hex | 12416fc |
19142396 has 48 divisors (see below), whose sum is σ = 42223104. Its totient is φ = 7390656.
The previous prime is 19142393. The next prime is 19142399. The reversal of 19142396 is 69324191.
It is an interprime number because it is at equal distance from previous prime (19142393) and next prime (19142399).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19142393) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15041 + ... + 16263.
It is an arithmetic number, because the mean of its divisors is an integer number (879648).
Almost surely, 219142396 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 19142396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21111552).
19142396 is an abundant number, since it is smaller than the sum of its proper divisors (23080708).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19142396 is a wasteful number, since it uses less digits than its factorization.
19142396 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).
The product of its digits is 11664, while the sum is 35.
The square root of 19142396 is about 4375.2023953184. The cubic root of 19142396 is about 267.5051199998.
The spelling of 19142396 in words is "nineteen million, one hundred forty-two thousand, three hundred ninety-six".
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