Base | Representation |
---|---|
bin | 100100101011… |
… | …0111110100101 |
3 | 1100012000110112 |
4 | 1021112332211 |
5 | 14410340004 |
6 | 1524102405 |
7 | 322312655 |
oct | 111267645 |
9 | 40160415 |
10 | 19230629 |
11 | a945290 |
12 | 6534a05 |
13 | 3ca4192 |
14 | 27a8365 |
15 | 1a4ce6e |
hex | 1256fa5 |
19230629 has 4 divisors (see below), whose sum is σ = 20978880. Its totient is φ = 17482380.
The previous prime is 19230623. The next prime is 19230643. The reversal of 19230629 is 92603291.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92603291 = 11 ⋅8418481.
It is a cyclic number.
It is not a de Polignac number, because 19230629 - 24 = 19230613 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 19230595 and 19230604.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (19230623) 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, 874109 + ... + 874130.
It is an arithmetic number, because the mean of its divisors is an integer number (5244720).
Almost surely, 219230629 is an apocalyptic number.
It is an amenable number.
19230629 is a deficient number, since it is larger than the sum of its proper divisors (1748251).
19230629 is a wasteful number, since it uses less digits than its factorization.
19230629 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1748250.
The product of its (nonzero) digits is 5832, while the sum is 32.
The square root of 19230629 is about 4385.2741077383. The cubic root of 19230629 is about 267.9154937021.
The spelling of 19230629 in words is "nineteen million, two hundred thirty thousand, six hundred twenty-nine".
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