Base | Representation |
---|---|
bin | 1000010110001… |
… | …10010011111110 |
3 | 11212202022001110 |
4 | 10023012103332 |
5 | 120411041202 |
6 | 10540422450 |
7 | 1510100664 |
oct | 413062376 |
9 | 155668043 |
10 | 70018302 |
11 | 36583872 |
12 | 1b547a26 |
13 | 11676c63 |
14 | 9428c34 |
15 | 623126c |
hex | 42c64fe |
70018302 has 32 divisors (see below), whose sum is σ = 147909888. Its totient is φ = 22052096.
The previous prime is 70018271. The next prime is 70018307. The reversal of 70018302 is 20381007.
It is a super-2 number, since 2×700183022 = 9805125229926408, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70018307) 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, 8398 + ... + 14510.
It is an arithmetic number, because the mean of its divisors is an integer number (4622184).
Almost surely, 270018302 is an apocalyptic number.
70018302 is an abundant number, since it is smaller than the sum of its proper divisors (77891586).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70018302 is a wasteful number, since it uses less digits than its factorization.
70018302 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6224.
The product of its (nonzero) digits is 336, while the sum is 21.
The square root of 70018302 is about 8367.6939475581. The cubic root of 70018302 is about 412.1644448336.
Adding to 70018302 its reverse (20381007), we get a palindrome (90399309).
The spelling of 70018302 in words is "seventy million, eighteen thousand, three hundred two".
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