Base | Representation |
---|---|
bin | 1000010111001… |
… | …01101111111110 |
3 | 11212222211200122 |
4 | 10023211233332 |
5 | 120424201240 |
6 | 10543254542 |
7 | 1511145260 |
oct | 413455776 |
9 | 155884618 |
10 | 70147070 |
11 | 36661594 |
12 | 1b5aa452 |
13 | 116c0756 |
14 | 945db30 |
15 | 62594b5 |
hex | 42e5bfe |
70147070 has 16 divisors (see below), whose sum is σ = 144302688. Its totient is φ = 24050400.
The previous prime is 70147043. The next prime is 70147073. The reversal of 70147070 is 7074107.
It is a super-2 number, since 2×701470702 = 9841222859169800, which contains 22 as substring.
It is an alternating number because its digits alternate between odd and even.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70147073) 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 7 ways as a sum of consecutive naturals, for example, 500981 + ... + 501120.
It is an arithmetic number, because the mean of its divisors is an integer number (9018918).
Almost surely, 270147070 is an apocalyptic number.
70147070 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
70147070 is an abundant number, since it is smaller than the sum of its proper divisors (74155618).
70147070 is a wasteful number, since it uses less digits than its factorization.
70147070 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1002115.
The product of its (nonzero) digits is 1372, while the sum is 26.
The square root of 70147070 is about 8375.3847672808. The cubic root of 70147070 is about 412.4169554283.
The spelling of 70147070 in words is "seventy million, one hundred forty-seven thousand, seventy".
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