Base | Representation |
---|---|
bin | 1001000110111101… |
… | …1101110101100100 |
3 | 20022101221221112211 |
4 | 2101233131311210 |
5 | 20001423424200 |
6 | 1042343453204 |
7 | 114410225002 |
oct | 22157356544 |
9 | 6271857484 |
10 | 2445139300 |
11 | 104524338a |
12 | 582a57204 |
13 | 2cc7617b6 |
14 | 192a4da72 |
15 | e49e0aba |
hex | 91bddd64 |
2445139300 has 36 divisors (see below), whose sum is σ = 5358508596. Its totient is φ = 968368000.
The previous prime is 2445139271. The next prime is 2445139303. The reversal of 2445139300 is 39315442.
It can be written as a sum of positive squares in 6 ways, for example, as 34596 + 2445104704 = 186^2 + 49448^2 .
It is not an unprimeable number, because it can be changed into a prime (2445139303) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110947 + ... + 131146.
It is an arithmetic number, because the mean of its divisors is an integer number (148847461).
Almost surely, 22445139300 is an apocalyptic number.
2445139300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
2445139300 is an abundant number, since it is smaller than the sum of its proper divisors (2913369296).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2445139300 is a wasteful number, since it uses less digits than its factorization.
2445139300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 242208 (or 242201 counting only the distinct ones).
The product of its (nonzero) digits is 12960, while the sum is 31.
The square root of 2445139300 is about 49448.3498207979. The cubic root of 2445139300 is about 1347.2076346944.
The spelling of 2445139300 in words is "two billion, four hundred forty-five million, one hundred thirty-nine thousand, three hundred".
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