Base | Representation |
---|---|
bin | 100101000010… |
… | …1001000111100 |
3 | 1100112121211110 |
4 | 1022011020330 |
5 | 14432412313 |
6 | 1532122020 |
7 | 324031140 |
oct | 112051074 |
9 | 40477743 |
10 | 19419708 |
11 | aa64350 |
12 | 6606310 |
13 | 403c269 |
14 | 2817220 |
15 | 1a88ec3 |
hex | 128523c |
19419708 has 48 divisors (see below), whose sum is σ = 56496384. Its totient is φ = 5043840.
The previous prime is 19419689. The next prime is 19419727. The reversal of 19419708 is 80791491.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (19419689) and next prime (19419727).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9585 + ... + 11432.
It is an arithmetic number, because the mean of its divisors is an integer number (1177008).
Almost surely, 219419708 is an apocalyptic number.
It is an amenable number.
19419708 is an abundant number, since it is smaller than the sum of its proper divisors (37076676).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19419708 is a wasteful number, since it uses less digits than its factorization.
19419708 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 21042 (or 21040 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 39.
The square root of 19419708 is about 4406.7797766623. The cubic root of 19419708 is about 268.7906959825.
The spelling of 19419708 in words is "nineteen million, four hundred nineteen thousand, seven hundred eight".
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