Base | Representation |
---|---|
bin | 100100011000… |
… | …0010011000111 |
3 | 1022212222010202 |
4 | 1020300103013 |
5 | 14340302244 |
6 | 1520441115 |
7 | 321053036 |
oct | 110602307 |
9 | 38788122 |
10 | 19072199 |
11 | a847253 |
12 | 647919b |
13 | 3c4a033 |
14 | 276671d |
15 | 1a1b04e |
hex | 12304c7 |
19072199 has 8 divisors (see below), whose sum is σ = 19654992. Its totient is φ = 18498240.
The previous prime is 19072189. The next prime is 19072211. The reversal of 19072199 is 99127091.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-19072199 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19072139) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2312 + ... + 6594.
It is an arithmetic number, because the mean of its divisors is an integer number (2456874).
Almost surely, 219072199 is an apocalyptic number.
19072199 is a deficient number, since it is larger than the sum of its proper divisors (582793).
19072199 is an equidigital number, since it uses as much as digits as its factorization.
19072199 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4417.
The product of its (nonzero) digits is 10206, while the sum is 38.
The square root of 19072199 is about 4367.1728841437. The cubic root of 19072199 is about 267.1777305161.
The spelling of 19072199 in words is "nineteen million, seventy-two thousand, one hundred ninety-nine".
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