Base | Representation |
---|---|
bin | 1000010110001… |
… | …00010001001101 |
3 | 11212201212120111 |
4 | 10023010101031 |
5 | 120410304213 |
6 | 10540320021 |
7 | 1510034410 |
oct | 413042115 |
9 | 155655514 |
10 | 70009933 |
11 | 36578554 |
12 | 1b543011 |
13 | 116731c6 |
14 | 9425b77 |
15 | 622da3d |
hex | 42c444d |
70009933 has 4 divisors (see below), whose sum is σ = 80011360. Its totient is φ = 60008508.
The previous prime is 70009913. The next prime is 70009939. The reversal of 70009933 is 33990007.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 33990007 = 2207 ⋅15401.
It is not a de Polignac number, because 70009933 - 213 = 70001741 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 70009895 and 70009904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70009939) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5000703 + ... + 5000716.
It is an arithmetic number, because the mean of its divisors is an integer number (20002840).
Almost surely, 270009933 is an apocalyptic number.
It is an amenable number.
70009933 is a deficient number, since it is larger than the sum of its proper divisors (10001427).
70009933 is a wasteful number, since it uses less digits than its factorization.
70009933 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10001426.
The product of its (nonzero) digits is 5103, while the sum is 31.
The square root of 70009933 is about 8367.1938545728. The cubic root of 70009933 is about 412.1480227383.
The spelling of 70009933 in words is "seventy million, nine thousand, nine hundred thirty-three".
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