Base | Representation |
---|---|
bin | 11110000100111… |
… | …01111010101110 |
3 | 122120202102111020 |
4 | 33002131322232 |
5 | 1004042230240 |
6 | 41011435010 |
7 | 6152362203 |
oct | 1702357256 |
9 | 576672436 |
10 | 252305070 |
11 | 11a468596 |
12 | 705b5a66 |
13 | 4036b954 |
14 | 25719caa |
15 | 1723c0d0 |
hex | f09deae |
252305070 has 32 divisors (see below), whose sum is σ = 611534880. Its totient is φ = 66614400.
The previous prime is 252305059. The next prime is 252305077. The reversal of 252305070 is 70503252.
It is an alternating number because its digits alternate between even and odd.
It is a self number, because there is not a number n which added to its sum of digits gives 252305070.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (252305077) 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 15 ways as a sum of consecutive naturals, for example, 38605 + ... + 44664.
It is an arithmetic number, because the mean of its divisors is an integer number (19110465).
Almost surely, 2252305070 is an apocalyptic number.
252305070 is an abundant number, since it is smaller than the sum of its proper divisors (359229810).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
252305070 is a wasteful number, since it uses less digits than its factorization.
252305070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 83380.
The product of its (nonzero) digits is 2100, while the sum is 24.
The square root of 252305070 is about 15884.1137618691. The cubic root of 252305070 is about 631.8907421422.
It can be divided in two parts, 25230 and 5070, that multiplied together give a square (127916100 = 113102).
The spelling of 252305070 in words is "two hundred fifty-two million, three hundred five thousand, seventy".
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