Base | Representation |
---|---|
bin | 100100011000… |
… | …0011110101110 |
3 | 1022220000011021 |
4 | 1020300132232 |
5 | 14340313232 |
6 | 1520444354 |
7 | 321055150 |
oct | 110603656 |
9 | 38800137 |
10 | 19072942 |
11 | a847869 |
12 | 64796ba |
13 | 3c4a485 |
14 | 2766ad0 |
15 | 1a1b397 |
hex | 12307ae |
19072942 has 8 divisors (see below), whose sum is σ = 32696496. Its totient is φ = 8174112.
The previous prime is 19072927. The next prime is 19072969. The reversal of 19072942 is 24927091.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 19072898 and 19072907.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 681163 + ... + 681190.
It is an arithmetic number, because the mean of its divisors is an integer number (4087062).
Almost surely, 219072942 is an apocalyptic number.
19072942 is a deficient number, since it is larger than the sum of its proper divisors (13623554).
19072942 is a wasteful number, since it uses less digits than its factorization.
19072942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1362362.
The product of its (nonzero) digits is 9072, while the sum is 34.
The square root of 19072942 is about 4367.2579497895. The cubic root of 19072942 is about 267.1811999723.
The spelling of 19072942 in words is "nineteen million, seventy-two thousand, nine hundred forty-two".
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