Base | Representation |
---|---|
bin | 11101010001000… |
… | …10010100100001 |
3 | 122002222001210020 |
4 | 32220202110201 |
5 | 1000322213421 |
6 | 40210024053 |
7 | 6040530621 |
oct | 1650422441 |
9 | 562861706 |
10 | 245507361 |
11 | 116645350 |
12 | 6a278029 |
13 | 3bb2b838 |
14 | 2486a881 |
15 | 16847dc6 |
hex | ea22521 |
245507361 has 16 divisors (see below), whose sum is σ = 357559488. Its totient is φ = 148601600.
The previous prime is 245507333. The next prime is 245507393. The reversal of 245507361 is 163705542.
It is a cyclic number.
It is not a de Polignac number, because 245507361 - 27 = 245507233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is not an unprimeable number, because it can be changed into a prime (245507861) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23941 + ... + 32621.
It is an arithmetic number, because the mean of its divisors is an integer number (22347468).
Almost surely, 2245507361 is an apocalyptic number.
It is an amenable number.
245507361 is a deficient number, since it is larger than the sum of its proper divisors (112052127).
245507361 is a wasteful number, since it uses less digits than its factorization.
245507361 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9552.
The product of its (nonzero) digits is 25200, while the sum is 33.
The square root of 245507361 is about 15668.6745131807. The cubic root of 245507361 is about 626.1641117905.
The spelling of 245507361 in words is "two hundred forty-five million, five hundred seven thousand, three hundred sixty-one".
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