Base | Representation |
---|---|
bin | 1000011001010… |
… | …10000011001110 |
3 | 11220112001110010 |
4 | 10030222003032 |
5 | 121012124310 |
6 | 10553254050 |
7 | 1513422015 |
oct | 414520316 |
9 | 156461403 |
10 | 70426830 |
11 | 368327a1 |
12 | 1b704326 |
13 | 1178aba6 |
14 | 94d3a7c |
15 | 62b2320 |
hex | 432a0ce |
70426830 has 16 divisors (see below), whose sum is σ = 169024464. Its totient is φ = 18780480.
The previous prime is 70426781. The next prime is 70426843. The reversal of 70426830 is 3862407.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 2347561 = 70426830 / (7 + 0 + 4 + 2 + 6 + 8 + 3 + 0).
It is a congruent number.
It is an unprimeable number.
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, 1173751 + ... + 1173810.
It is an arithmetic number, because the mean of its divisors is an integer number (10564029).
Almost surely, 270426830 is an apocalyptic number.
70426830 is an abundant number, since it is smaller than the sum of its proper divisors (98597634).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70426830 is a wasteful number, since it uses less digits than its factorization.
70426830 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2347571.
The product of its (nonzero) digits is 8064, while the sum is 30.
The square root of 70426830 is about 8392.0694706371. The cubic root of 70426830 is about 412.9644942088.
The spelling of 70426830 in words is "seventy million, four hundred twenty-six thousand, eight hundred thirty".
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