Base | Representation |
---|---|
bin | 100101001001… |
… | …0100100101110 |
3 | 1100122102022110 |
4 | 1022102210232 |
5 | 14441142414 |
6 | 1533224450 |
7 | 324350436 |
oct | 112224456 |
9 | 40572273 |
10 | 19474734 |
11 | aaa1724 |
12 | 6632126 |
13 | 405b316 |
14 | 282d2c6 |
15 | 1a9a459 |
hex | 129292e |
19474734 has 32 divisors (see below), whose sum is σ = 41328000. Its totient is φ = 6100704.
The previous prime is 19474729. The next prime is 19474739. The reversal of 19474734 is 43747491.
It is an interprime number because it is at equal distance from previous prime (19474729) and next prime (19474739).
It is a plaindrome in base 8.
It is a junction number, because it is equal to n+sod(n) for n = 19474692 and 19474701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19474739) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15232 + ... + 16460.
It is an arithmetic number, because the mean of its divisors is an integer number (1291500).
Almost surely, 219474734 is an apocalyptic number.
19474734 is an abundant number, since it is smaller than the sum of its proper divisors (21853266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19474734 is a wasteful number, since it uses less digits than its factorization.
19474734 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1392.
The product of its digits is 84672, while the sum is 39.
The square root of 19474734 is about 4413.0186947259. The cubic root of 19474734 is about 269.0443305740.
The spelling of 19474734 in words is "nineteen million, four hundred seventy-four thousand, seven hundred thirty-four".
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