Base | Representation |
---|---|
bin | 111000100010110… |
… | …1010100011011001 |
3 | 11220020010100121111 |
4 | 1301011222203121 |
5 | 12341202413200 |
6 | 512133540321 |
7 | 65005605163 |
oct | 16105524331 |
9 | 4806110544 |
10 | 1897310425 |
11 | 893a8944a |
12 | 44b4a46a1 |
13 | 2431015ba |
14 | 13dda7933 |
15 | b187b0ba |
hex | 7116a8d9 |
1897310425 has 12 divisors (see below), whose sum is σ = 2356255440. Its totient is φ = 1515531920.
The previous prime is 1897310419. The next prime is 1897310447. The reversal of 1897310425 is 5240137981.
It is not a de Polignac number, because 1897310425 - 211 = 1897308377 is a prime.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41107 + ... + 74056.
It is an arithmetic number, because the mean of its divisors is an integer number (196354620).
Almost surely, 21897310425 is an apocalyptic number.
It is an amenable number.
1897310425 is a deficient number, since it is larger than the sum of its proper divisors (458945015).
1897310425 is a wasteful number, since it uses less digits than its factorization.
1897310425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 115832 (or 115827 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 1897310425 is about 43558.1269684545. The cubic root of 1897310425 is about 1237.9776314964.
The spelling of 1897310425 in words is "one billion, eight hundred ninety-seven million, three hundred ten thousand, four hundred twenty-five".
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