Base | Representation |
---|---|
bin | 10001000010010… |
… | …01101001111001 |
3 | 100221220110221211 |
4 | 20201021221321 |
5 | 243041024100 |
6 | 22103003121 |
7 | 3353461321 |
oct | 1041115171 |
9 | 327813854 |
10 | 142908025 |
11 | 73738a07 |
12 | 3ba394a1 |
13 | 237b7b80 |
14 | 14da0281 |
15 | c82d1ba |
hex | 8849a79 |
142908025 has 24 divisors (see below), whose sum is σ = 200889920. Its totient is φ = 99973440.
The previous prime is 142907977. The next prime is 142908037. The reversal of 142908025 is 520809241.
It is not a de Polignac number, because 142908025 - 211 = 142905977 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, 5397 + ... + 17746.
Almost surely, 2142908025 is an apocalyptic number.
It is an amenable number.
142908025 is a deficient number, since it is larger than the sum of its proper divisors (57981895).
142908025 is a wasteful number, since it uses less digits than its factorization.
142908025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23185 (or 23180 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 31.
The square root of 142908025 is about 11954.4144565930. The cubic root of 142908025 is about 522.8200156462.
The spelling of 142908025 in words is "one hundred forty-two million, nine hundred eight thousand, twenty-five".
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