Base | Representation |
---|---|
bin | 100100110101… |
… | …1000110011100 |
3 | 1100100012112020 |
4 | 1021223012130 |
5 | 14421004202 |
6 | 1525540140 |
7 | 323105163 |
oct | 111530634 |
9 | 40305466 |
10 | 19313052 |
11 | a9a1200 |
12 | 6574650 |
13 | 4002855 |
14 | 27ca3da |
15 | 1a675bc |
hex | 126b19c |
19313052 has 72 divisors (see below), whose sum is σ = 50765568. Its totient is φ = 5707680.
The previous prime is 19313033. The next prime is 19313053. The reversal of 19313052 is 25031391.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19313053) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68103 + ... + 68385.
Almost surely, 219313052 is an apocalyptic number.
19313052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 19313052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25382784).
19313052 is an abundant number, since it is smaller than the sum of its proper divisors (31452516).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19313052 is a wasteful number, since it uses less digits than its factorization.
19313052 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 359 (or 346 counting only the distinct ones).
The product of its (nonzero) digits is 810, while the sum is 24.
The square root of 19313052 is about 4394.6617617287. The cubic root of 19313052 is about 268.2977125236.
The spelling of 19313052 in words is "nineteen million, three hundred thirteen thousand, fifty-two".
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