Base | Representation |
---|---|
bin | 1000010110000… |
… | …10110111101111 |
3 | 11212201120201102 |
4 | 10023002313233 |
5 | 120410113312 |
6 | 10540233315 |
7 | 1510011620 |
oct | 413026757 |
9 | 155646642 |
10 | 70004207 |
11 | 36574219 |
12 | 1b53b83b |
13 | 11670710 |
14 | 9423a47 |
15 | 622bec2 |
hex | 42c2def |
70004207 has 16 divisors (see below), whose sum is σ = 86356032. Its totient is φ = 55261440.
The previous prime is 70004161. The next prime is 70004219. The reversal of 70004207 is 70240007.
It is not a de Polignac number, because 70004207 - 28 = 70003951 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70004237) 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, 74243 + ... + 75179.
It is an arithmetic number, because the mean of its divisors is an integer number (5397252).
Almost surely, 270004207 is an apocalyptic number.
70004207 is a deficient number, since it is larger than the sum of its proper divisors (16351825).
70004207 is a wasteful number, since it uses less digits than its factorization.
70004207 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1778.
The product of its (nonzero) digits is 392, while the sum is 20.
The square root of 70004207 is about 8366.8516779013. The cubic root of 70004207 is about 412.1367861237.
The spelling of 70004207 in words is "seventy million, four thousand, two hundred seven".
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