Base | Representation |
---|---|
bin | 100100111101… |
… | …0011101101100 |
3 | 1100110101211220 |
4 | 1021322131230 |
5 | 14430012410 |
6 | 1531143340 |
7 | 323456511 |
oct | 111723554 |
9 | 40411756 |
10 | 19375980 |
11 | aa34508 |
12 | 65a4b50 |
13 | 40253a0 |
14 | 2805308 |
15 | 1a7b070 |
hex | 127a76c |
19375980 has 48 divisors (see below), whose sum is σ = 58428384. Its totient is φ = 4769280.
The previous prime is 19375963. The next prime is 19375987. The reversal of 19375980 is 8957391.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (19375987) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11641 + ... + 13200.
It is an arithmetic number, because the mean of its divisors is an integer number (1217258).
Almost surely, 219375980 is an apocalyptic number.
19375980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
19375980 is an abundant number, since it is smaller than the sum of its proper divisors (39052404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
19375980 is a wasteful number, since it uses less digits than its factorization.
19375980 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24866 (or 24864 counting only the distinct ones).
The product of its (nonzero) digits is 68040, while the sum is 42.
The square root of 19375980 is about 4401.8155345266. The cubic root of 19375980 is about 268.5887960594.
The spelling of 19375980 in words is "nineteen million, three hundred seventy-five thousand, nine hundred eighty".
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