Base | Representation |
---|---|
bin | 100110000101… |
… | …1100011100011 |
3 | 1101120121001211 |
4 | 1030023203203 |
5 | 20103022100 |
6 | 1552010551 |
7 | 331513243 |
oct | 114134343 |
9 | 41517054 |
10 | 19970275 |
11 | 102aaa66 |
12 | 6830a57 |
13 | 41a2a40 |
14 | 291bb23 |
15 | 1b471ba |
hex | 130b8e3 |
19970275 has 24 divisors (see below), whose sum is σ = 27307280. Its totient is φ = 14394240.
The previous prime is 19970267. The next prime is 19970287. The reversal of 19970275 is 57207991.
It is not a de Polignac number, because 19970275 - 23 = 19970267 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13261 + ... + 14689.
Almost surely, 219970275 is an apocalyptic number.
19970275 is a deficient number, since it is larger than the sum of its proper divisors (7337005).
19970275 is a wasteful number, since it uses less digits than its factorization.
19970275 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1495 (or 1490 counting only the distinct ones).
The product of its (nonzero) digits is 39690, while the sum is 40.
The square root of 19970275 is about 4468.8113632151. The cubic root of 19970275 is about 271.3072182096.
The spelling of 19970275 in words is "nineteen million, nine hundred seventy thousand, two hundred seventy-five".
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