Base | Representation |
---|---|
bin | 11101010100010… |
… | …10011111010111 |
3 | 122010202202002010 |
4 | 32222022133113 |
5 | 1000424342124 |
6 | 40223115303 |
7 | 6044255601 |
oct | 1652123727 |
9 | 563682063 |
10 | 245934039 |
11 | 11690697a |
12 | 6a442b33 |
13 | 3bc4ab00 |
14 | 2493c171 |
15 | 168ce529 |
hex | ea8a7d7 |
245934039 has 24 divisors (see below), whose sum is σ = 356147280. Its totient is φ = 150888192.
The previous prime is 245934037. The next prime is 245934047. The reversal of 245934039 is 930439542.
It is not a de Polignac number, because 245934039 - 21 = 245934037 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 245933988 and 245934006.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245934037) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 257587 + ... + 258539.
It is an arithmetic number, because the mean of its divisors is an integer number (14839470).
Almost surely, 2245934039 is an apocalyptic number.
245934039 is a deficient number, since it is larger than the sum of its proper divisors (110213241).
245934039 is a wasteful number, since it uses less digits than its factorization.
245934039 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1491 (or 1478 counting only the distinct ones).
The product of its (nonzero) digits is 116640, while the sum is 39.
The square root of 245934039 is about 15682.2842405053. The cubic root of 245934039 is about 626.5266478645.
The spelling of 245934039 in words is "two hundred forty-five million, nine hundred thirty-four thousand, thirty-nine".
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