Base | Representation |
---|---|
bin | 11101001111100… |
… | …10101001000110 |
3 | 122002121010220020 |
4 | 32213302221012 |
5 | 1000244441240 |
6 | 40201520010 |
7 | 6036055353 |
oct | 1647625106 |
9 | 562533806 |
10 | 245312070 |
11 | 116521653 |
12 | 6a1a3006 |
13 | 3ba90993 |
14 | 2481962a |
15 | 1680a0d0 |
hex | e9f2a46 |
245312070 has 32 divisors (see below), whose sum is σ = 589171968. Its totient is φ = 65369568.
The previous prime is 245312027. The next prime is 245312077. The reversal of 245312070 is 70213542.
It is a self number, because there is not a number n which added to its sum of digits gives 245312070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (245312077) 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, 66207 + ... + 69813.
It is an arithmetic number, because the mean of its divisors is an integer number (18411624).
Almost surely, 2245312070 is an apocalyptic number.
245312070 is an abundant number, since it is smaller than the sum of its proper divisors (343859898).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
245312070 is a wasteful number, since it uses less digits than its factorization.
245312070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5884.
The product of its (nonzero) digits is 1680, while the sum is 24.
The square root of 245312070 is about 15662.4413805767. The cubic root of 245312070 is about 625.9980384890.
The spelling of 245312070 in words is "two hundred forty-five million, three hundred twelve thousand, seventy".
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