Base | Representation |
---|---|
bin | 1110111010000… |
… | …01010001010010 |
3 | 22201022002110100 |
4 | 13131001101102 |
5 | 224003013030 |
6 | 20224113230 |
7 | 3045614052 |
oct | 735012122 |
9 | 281262410 |
10 | 125047890 |
11 | 6464a370 |
12 | 35a65816 |
13 | 1cba3746 |
14 | 12871562 |
15 | aea1360 |
hex | 7741452 |
125047890 has 48 divisors (see below), whose sum is σ = 354684096. Its totient is φ = 30314400.
The previous prime is 125047889. The next prime is 125047921. The reversal of 125047890 is 98740521.
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, 62166 + ... + 64145.
It is an arithmetic number, because the mean of its divisors is an integer number (7389252).
Almost surely, 2125047890 is an apocalyptic number.
125047890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
125047890 is an abundant number, since it is smaller than the sum of its proper divisors (229636206).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
125047890 is a wasteful number, since it uses less digits than its factorization.
125047890 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 126335 (or 126332 counting only the distinct ones).
The product of its (nonzero) digits is 20160, while the sum is 36.
The square root of 125047890 is about 11182.4813883145. The cubic root of 125047890 is about 500.0638451806.
The spelling of 125047890 in words is "one hundred twenty-five million, forty-seven thousand, eight hundred ninety".
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