Base | Representation |
---|---|
bin | 100100100110… |
… | …0110100101000 |
3 | 1100002220101220 |
4 | 1021030310220 |
5 | 14403022112 |
6 | 1523142040 |
7 | 322050462 |
oct | 111146450 |
9 | 40086356 |
10 | 19189032 |
11 | a917005 |
12 | 6514920 |
13 | 3c8b275 |
14 | 2797132 |
15 | 1a4098c |
hex | 124cd28 |
19189032 has 16 divisors (see below), whose sum is σ = 47972640. Its totient is φ = 6396336.
The previous prime is 19189013. The next prime is 19189033. The reversal of 19189032 is 23098191.
It is a junction number, because it is equal to n+sod(n) for n = 19188984 and 19189002.
It is not an unprimeable number, because it can be changed into a prime (19189033) 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, 399748 + ... + 399795.
It is an arithmetic number, because the mean of its divisors is an integer number (2998290).
Almost surely, 219189032 is an apocalyptic number.
19189032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19189032 is an abundant number, since it is smaller than the sum of its proper divisors (28783608).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19189032 is a wasteful number, since it uses less digits than its factorization.
19189032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 799552 (or 799548 counting only the distinct ones).
The product of its (nonzero) digits is 3888, while the sum is 33.
The square root of 19189032 is about 4380.5287352099. The cubic root of 19189032 is about 267.7221818444.
The spelling of 19189032 in words is "nineteen million, one hundred eighty-nine thousand, thirty-two".
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