Base | Representation |
---|---|
bin | 11101001111100… |
… | …10111001110110 |
3 | 122002121012100221 |
4 | 32213302321312 |
5 | 1000300010032 |
6 | 40201524554 |
7 | 6036061444 |
oct | 1647627166 |
9 | 562535327 |
10 | 245313142 |
11 | 116522438 |
12 | 6a1a375a |
13 | 3ba91309 |
14 | 24819b94 |
15 | 1680a597 |
hex | e9f2e76 |
245313142 has 32 divisors (see below), whose sum is σ = 395550720. Its totient is φ = 113762880.
The previous prime is 245313121. The next prime is 245313149. The reversal of 245313142 is 241313542.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245313149) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 529603 + ... + 530065.
It is an arithmetic number, because the mean of its divisors is an integer number (12360960).
Almost surely, 2245313142 is an apocalyptic number.
245313142 is a deficient number, since it is larger than the sum of its proper divisors (150237578).
245313142 is a wasteful number, since it uses less digits than its factorization.
245313142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 748.
The product of its digits is 2880, while the sum is 25.
The square root of 245313142 is about 15662.4756025349. The cubic root of 245313142 is about 625.9989503465.
Adding to 245313142 its reverse (241313542), we get a palindrome (486626684).
The spelling of 245313142 in words is "two hundred forty-five million, three hundred thirteen thousand, one hundred forty-two".
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