Base | Representation |
---|---|
bin | 1001011110111101… |
… | …0101111011110100 |
3 | 20120102022112020020 |
4 | 2113233111323310 |
5 | 20203204121403 |
6 | 1100340405140 |
7 | 120041455431 |
oct | 22757257364 |
9 | 6512275206 |
10 | 2545770228 |
11 | 1097025941 |
12 | 5b06a67b0 |
13 | 317566521 |
14 | 1a2166b88 |
15 | ed76c453 |
hex | 97bd5ef4 |
2545770228 has 24 divisors (see below), whose sum is σ = 6066517632. Its totient is φ = 830534784.
The previous prime is 2545770223. The next prime is 2545770239. The reversal of 2545770228 is 8220775452.
It is a self number, because there is not a number n which added to its sum of digits gives 2545770228.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2545770223) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2256325 + ... + 2257452.
It is an arithmetic number, because the mean of its divisors is an integer number (252771568).
Almost surely, 22545770228 is an apocalyptic number.
It is an amenable number.
2545770228 is an abundant number, since it is smaller than the sum of its proper divisors (3520747404).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2545770228 is a wasteful number, since it uses less digits than its factorization.
2545770228 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4513831 (or 4513829 counting only the distinct ones).
The product of its (nonzero) digits is 313600, while the sum is 42.
The square root of 2545770228 is about 50455.6263265059. The cubic root of 2545770228 is about 1365.4414040270.
The spelling of 2545770228 in words is "two billion, five hundred forty-five million, seven hundred seventy thousand, two hundred twenty-eight".
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