Base | Representation |
---|---|
bin | 100100010101… |
… | …1011110001111 |
3 | 1022211222000121 |
4 | 1020223132033 |
5 | 14334134211 |
6 | 1520205411 |
7 | 320641306 |
oct | 110533617 |
9 | 38758017 |
10 | 19052431 |
11 | a833412 |
12 | 6469867 |
13 | 3c41038 |
14 | 275d43d |
15 | 1a15271 |
hex | 122b78f |
19052431 has 2 divisors, whose sum is σ = 19052432. Its totient is φ = 19052430.
The previous prime is 19052419. The next prime is 19052471. The reversal of 19052431 is 13425091.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 19052431 - 25 = 19052399 is a prime.
It is a super-3 number, since 3×190524313 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.
It is a junction number, because it is equal to n+sod(n) for n = 19052396 and 19052405.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (19052471) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9526215 + 9526216.
It is an arithmetic number, because the mean of its divisors is an integer number (9526216).
Almost surely, 219052431 is an apocalyptic number.
19052431 is a deficient number, since it is larger than the sum of its proper divisors (1).
19052431 is an equidigital number, since it uses as much as digits as its factorization.
19052431 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1080, while the sum is 25.
The square root of 19052431 is about 4364.9090483079. The cubic root of 19052431 is about 267.0853902607.
The spelling of 19052431 in words is "nineteen million, fifty-two thousand, four hundred thirty-one".
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