Base | Representation |
---|---|
bin | 100100111101… |
… | …0010101000001 |
3 | 1100110101002100 |
4 | 1021322111001 |
5 | 14430003200 |
6 | 1531141013 |
7 | 323455056 |
oct | 111722501 |
9 | 40411070 |
10 | 19375425 |
11 | aa34053 |
12 | 65a4769 |
13 | 4025064 |
14 | 280502d |
15 | 1a7ad00 |
hex | 127a541 |
19375425 has 18 divisors (see below), whose sum is σ = 34703942. Its totient is φ = 10333440.
The previous prime is 19375417. The next prime is 19375483. The reversal of 19375425 is 52457391.
It can be written as a sum of positive squares in 3 ways, for example, as 374544 + 19000881 = 612^2 + 4359^2 .
It is not a de Polignac number, because 19375425 - 23 = 19375417 is a prime.
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 19375425.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 42832 + ... + 43281.
Almost surely, 219375425 is an apocalyptic number.
19375425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
19375425 is a deficient number, since it is larger than the sum of its proper divisors (15328517).
19375425 is a wasteful number, since it uses less digits than its factorization.
19375425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 86129 (or 86121 counting only the distinct ones).
The product of its digits is 37800, while the sum is 36.
The square root of 19375425 is about 4401.7524919059. The cubic root of 19375425 is about 268.5862315748.
The spelling of 19375425 in words is "nineteen million, three hundred seventy-five thousand, four hundred twenty-five".
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