Base | Representation |
---|---|
bin | 100100111000… |
… | …1101011100111 |
3 | 1100101120111120 |
4 | 1021301223213 |
5 | 14422340012 |
6 | 1530305023 |
7 | 323246601 |
oct | 111615347 |
9 | 40346446 |
10 | 19340007 |
11 | aa0a485 |
12 | 6588173 |
13 | 4011bbb |
14 | 27d6171 |
15 | 1a7058c |
hex | 1271ae7 |
19340007 has 4 divisors (see below), whose sum is σ = 25786680. Its totient is φ = 12893336.
The previous prime is 19339949. The next prime is 19340029. The reversal of 19340007 is 70004391.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70004391 = 3 ⋅23334797.
It is a cyclic number.
It is not a de Polignac number, because 19340007 - 210 = 19338983 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19340047) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3223332 + ... + 3223337.
It is an arithmetic number, because the mean of its divisors is an integer number (6446670).
Almost surely, 219340007 is an apocalyptic number.
19340007 is a deficient number, since it is larger than the sum of its proper divisors (6446673).
19340007 is an equidigital number, since it uses as much as digits as its factorization.
19340007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6446672.
The product of its (nonzero) digits is 756, while the sum is 24.
The square root of 19340007 is about 4397.7274813249. The cubic root of 19340007 is about 268.4224744881.
Adding to 19340007 its reverse (70004391), we get a palindrome (89344398).
The spelling of 19340007 in words is "nineteen million, three hundred forty thousand, seven".
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