Base | Representation |
---|---|
bin | 100101111111… |
… | …1010100010100 |
3 | 1101111001022021 |
4 | 1023333110110 |
5 | 20044421043 |
6 | 1550542524 |
7 | 331214143 |
oct | 113772424 |
9 | 41431267 |
10 | 19920148 |
11 | 10276336 |
12 | 6807a44 |
13 | 4185c91 |
14 | 290775a |
15 | 1b373ed |
hex | 12ff514 |
19920148 has 12 divisors (see below), whose sum is σ = 34915552. Its totient is φ = 9944280.
The previous prime is 19920119. The next prime is 19920157. The reversal of 19920148 is 84102991.
It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.
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, 840 + ... + 6367.
Almost surely, 219920148 is an apocalyptic number.
It is an amenable number.
19920148 is a deficient number, since it is larger than the sum of its proper divisors (14995404).
19920148 is a wasteful number, since it uses less digits than its factorization.
19920148 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7902 (or 7900 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 34.
The square root of 19920148 is about 4463.1993009499. The cubic root of 19920148 is about 271.0800270184.
The spelling of 19920148 in words is "nineteen million, nine hundred twenty thousand, one hundred forty-eight".
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