Base | Representation |
---|---|
bin | 100100010010… |
… | …1100001101000 |
3 | 1022210201121102 |
4 | 1020211201220 |
5 | 14332344242 |
6 | 1515500532 |
7 | 320510300 |
oct | 110454150 |
9 | 38721542 |
10 | 19028072 |
11 | a817088 |
12 | 6457748 |
13 | 3c32c1b |
14 | 2754600 |
15 | 1a0ce32 |
hex | 1225868 |
19028072 has 24 divisors (see below), whose sum is σ = 41503410. Its totient is φ = 8154720.
The previous prime is 19028069. The next prime is 19028099. The reversal of 19028072 is 27082091.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 18957316 + 70756 = 4354^2 + 266^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 23879 + ... + 24662.
Almost surely, 219028072 is an apocalyptic number.
It is an amenable number.
19028072 is an abundant number, since it is smaller than the sum of its proper divisors (22475338).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19028072 is a wasteful number, since it uses less digits than its factorization.
19028072 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48561 (or 48550 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 29.
The square root of 19028072 is about 4362.1178342635. The cubic root of 19028072 is about 266.9715166443.
The spelling of 19028072 in words is "nineteen million, twenty-eight thousand, seventy-two".
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