Base | Representation |
---|---|
bin | 100100010111… |
… | …1110000101000 |
3 | 1022212212010000 |
4 | 1020233300220 |
5 | 14340214432 |
6 | 1520423000 |
7 | 321043434 |
oct | 110576050 |
9 | 38785100 |
10 | 19069992 |
11 | a845627 |
12 | 6477a60 |
13 | 3c49026 |
14 | 27659c4 |
15 | 1a1a57c |
hex | 122fc28 |
19069992 has 40 divisors (see below), whose sum is σ = 53415450. Its totient is φ = 6356448.
The previous prime is 19069987. The next prime is 19070011. The reversal of 19069992 is 29996091.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 12068676 + 7001316 = 3474^2 + 2646^2 .
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 9 ways as a sum of consecutive naturals, for example, 14067 + ... + 15362.
Almost surely, 219069992 is an apocalyptic number.
19069992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
19069992 is an abundant number, since it is smaller than the sum of its proper divisors (34345458).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19069992 is a wasteful number, since it uses less digits than its factorization.
19069992 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29447 (or 29434 counting only the distinct ones).
The product of its (nonzero) digits is 78732, while the sum is 45.
The square root of 19069992 is about 4366.9201962024. The cubic root of 19069992 is about 267.1674243457.
The spelling of 19069992 in words is "nineteen million, sixty-nine thousand, nine hundred ninety-two".
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