Base | Representation |
---|---|
bin | 1000011010000… |
… | …00110011000111 |
3 | 11220200210021010 |
4 | 10031000303013 |
5 | 121023120012 |
6 | 10555253303 |
7 | 1514260455 |
oct | 415006307 |
9 | 156623233 |
10 | 70520007 |
11 | 368967a8 |
12 | 1b74a233 |
13 | 117c141c |
14 | 95199d5 |
15 | 62cec3c |
hex | 4340cc7 |
70520007 has 8 divisors (see below), whose sum is σ = 94067440. Its totient is φ = 46992960.
The previous prime is 70520003. The next prime is 70520011. The reversal of 70520007 is 70002507.
It is an interprime number because it is at equal distance from previous prime (70520003) and next prime (70520011).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 70520007 - 22 = 70520003 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70520003) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7257 + ... + 13917.
It is an arithmetic number, because the mean of its divisors is an integer number (11758430).
Almost surely, 270520007 is an apocalyptic number.
70520007 is a deficient number, since it is larger than the sum of its proper divisors (23547433).
70520007 is a wasteful number, since it uses less digits than its factorization.
70520007 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10193.
The product of its (nonzero) digits is 490, while the sum is 21.
The square root of 70520007 is about 8397.6191268716. The cubic root of 70520007 is about 413.1465357952.
The spelling of 70520007 in words is "seventy million, five hundred twenty thousand, seven".
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