Base | Representation |
---|---|
bin | 10111000001001… |
… | …00111110001011 |
3 | 111110022221212222 |
4 | 23200210332023 |
5 | 343412330134 |
6 | 31054324255 |
7 | 4533142625 |
oct | 1340447613 |
9 | 443287788 |
10 | 193089419 |
11 | 99aa2a36 |
12 | 547b968b |
13 | 310079c3 |
14 | 1b903c15 |
15 | 11e41a2e |
hex | b824f8b |
193089419 has 8 divisors (see below), whose sum is σ = 203442000. Its totient is φ = 182755872.
The previous prime is 193089409. The next prime is 193089437. The reversal of 193089419 is 914980391.
193089419 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 193089419 - 212 = 193085323 is a prime.
It is a super-2 number, since 2×1930894192 = 74567047459515122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 193089419.
It is not an unprimeable number, because it can be changed into a prime (193089409) 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, 19217 + ... + 27485.
It is an arithmetic number, because the mean of its divisors is an integer number (25430250).
Almost surely, 2193089419 is an apocalyptic number.
193089419 is a gapful number since it is divisible by the number (19) formed by its first and last digit.
193089419 is a deficient number, since it is larger than the sum of its proper divisors (10352581).
193089419 is a wasteful number, since it uses less digits than its factorization.
193089419 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9517.
The product of its (nonzero) digits is 69984, while the sum is 44.
The square root of 193089419 is about 13895.6618770032. The cubic root of 193089419 is about 577.9888918017.
The spelling of 193089419 in words is "one hundred ninety-three million, eighty-nine thousand, four hundred nineteen".
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