Base | Representation |
---|---|
bin | 100100010011… |
… | …1000001101100 |
3 | 1022211001001010 |
4 | 1020213001230 |
5 | 14333043340 |
6 | 1515545220 |
7 | 320534232 |
oct | 110470154 |
9 | 38731033 |
10 | 19034220 |
11 | a820767 |
12 | 645b210 |
13 | 3c3596a |
14 | 2756952 |
15 | 1a0eb80 |
hex | 122706c |
19034220 has 48 divisors (see below), whose sum is σ = 56433888. Its totient is φ = 4776960.
The previous prime is 19034207. The next prime is 19034221. The reversal of 19034220 is 2243091.
It is not an unprimeable number, because it can be changed into a prime (19034221) 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, 8311 + ... + 10350.
It is an arithmetic number, because the mean of its divisors is an integer number (1175706).
Almost surely, 219034220 is an apocalyptic number.
19034220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19034220 is an abundant number, since it is smaller than the sum of its proper divisors (37399668).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19034220 is a wasteful number, since it uses less digits than its factorization.
19034220 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18690 (or 18688 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 21.
The square root of 19034220 is about 4362.8224809176. The cubic root of 19034220 is about 267.0002665205. Note that the first 3 decimals are identical.
The spelling of 19034220 in words is "nineteen million, thirty-four thousand, two hundred twenty".
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