Base | Representation |
---|---|
bin | 111100011000010… |
… | …0010010111110100 |
3 | 12020012020221021121 |
4 | 1320300202113310 |
5 | 13122123131440 |
6 | 533011553324 |
7 | 101130425164 |
oct | 17060422764 |
9 | 5205227247 |
10 | 2025989620 |
11 | 94a688a96 |
12 | 4865bb844 |
13 | 263976b35 |
14 | 1531025a4 |
15 | bcce834a |
hex | 78c225f4 |
2025989620 has 48 divisors (see below), whose sum is σ = 4515352128. Its totient is φ = 760947200.
The previous prime is 2025989611. The next prime is 2025989629. The reversal of 2025989620 is 269895202.
It is an interprime number because it is at equal distance from previous prime (2025989611) and next prime (2025989629).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2025989629) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143895 + ... + 157345.
It is an arithmetic number, because the mean of its divisors is an integer number (94069836).
Almost surely, 22025989620 is an apocalyptic number.
2025989620 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2025989620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2257676064).
2025989620 is an abundant number, since it is smaller than the sum of its proper divisors (2489362508).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2025989620 is a wasteful number, since it uses less digits than its factorization.
2025989620 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13920 (or 13918 counting only the distinct ones).
The product of its (nonzero) digits is 155520, while the sum is 43.
The square root of 2025989620 is about 45010.9944346934. The cubic root of 2025989620 is about 1265.3550576815.
The spelling of 2025989620 in words is "two billion, twenty-five million, nine hundred eighty-nine thousand, six hundred twenty".
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