Base | Representation |
---|---|
bin | 100110000101… |
… | …1101100100000 |
3 | 1101120121212001 |
4 | 1030023230200 |
5 | 20103031343 |
6 | 1552013344 |
7 | 331515022 |
oct | 114135440 |
9 | 41517761 |
10 | 19970848 |
11 | 10300437 |
12 | 6831254 |
13 | 41a3091 |
14 | 291c012 |
15 | 1b4744d |
hex | 130bb20 |
19970848 has 12 divisors (see below), whose sum is σ = 39317670. Its totient is φ = 9985408.
The previous prime is 19970837. The next prime is 19970849. The reversal of 19970848 is 84807991.
It is a happy number.
It can be written as a sum of positive squares in only one way, i.e., 19820304 + 150544 = 4452^2 + 388^2 .
It is a junction number, because it is equal to n+sod(n) for n = 19970798 and 19970807.
It is not an unprimeable number, because it can be changed into a prime (19970849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312013 + ... + 312076.
Almost surely, 219970848 is an apocalyptic number.
It is an amenable number.
19970848 is a deficient number, since it is larger than the sum of its proper divisors (19346822).
19970848 is an equidigital number, since it uses as much as digits as its factorization.
19970848 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 624099 (or 624091 counting only the distinct ones).
The product of its (nonzero) digits is 145152, while the sum is 46.
The square root of 19970848 is about 4468.8754737629. The cubic root of 19970848 is about 271.3098130253.
The spelling of 19970848 in words is "nineteen million, nine hundred seventy thousand, eight hundred forty-eight".
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