Base | Representation |
---|---|
bin | 1000010111010110… |
… | …1000000101101001 |
3 | 12210111011112112202 |
4 | 2011311220011221 |
5 | 14044312140221 |
6 | 1010451145545 |
7 | 106433551016 |
oct | 20565500551 |
9 | 5714145482 |
10 | 2245427561 |
11 | a52537a63 |
12 | 527ba52b5 |
13 | 29a278780 |
14 | 17430470d |
15 | d21e1d0b |
hex | 85d68169 |
2245427561 has 8 divisors (see below), whose sum is σ = 2419019904. Its totient is φ = 2071959120.
The previous prime is 2245427519. The next prime is 2245427563. The reversal of 2245427561 is 1657245422.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 2245427561 - 210 = 2245426537 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (2245427563) 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, 8546 + ... + 67556.
It is an arithmetic number, because the mean of its divisors is an integer number (302377488).
Almost surely, 22245427561 is an apocalyptic number.
It is an amenable number.
2245427561 is a deficient number, since it is larger than the sum of its proper divisors (173592343).
2245427561 is a wasteful number, since it uses less digits than its factorization.
2245427561 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 61951.
The product of its digits is 134400, while the sum is 38.
The square root of 2245427561 is about 47385.9426518034. The cubic root of 2245427561 is about 1309.4824521620.
The spelling of 2245427561 in words is "two billion, two hundred forty-five million, four hundred twenty-seven thousand, five hundred sixty-one".
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