Base | Representation |
---|---|
bin | 1000011001000… |
… | …01010101011010 |
3 | 11220110020110220 |
4 | 10030201111122 |
5 | 121010004010 |
6 | 10552420510 |
7 | 1513212645 |
oct | 414412532 |
9 | 156406426 |
10 | 70391130 |
11 | 36808997 |
12 | 1b6a7736 |
13 | 11777874 |
14 | 94c4a5c |
15 | 62a6970 |
hex | 432155a |
70391130 has 32 divisors (see below), whose sum is σ = 171806400. Its totient is φ = 18452352.
The previous prime is 70391119. The next prime is 70391179. The reversal of 70391130 is 3119307.
It is a super-2 number, since 2×703911302 = 9909822365353800, which contains 22 as substring.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70391130.
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 15 ways as a sum of consecutive naturals, for example, 18115 + ... + 21654.
It is an arithmetic number, because the mean of its divisors is an integer number (5368950).
Almost surely, 270391130 is an apocalyptic number.
70391130 is an abundant number, since it is smaller than the sum of its proper divisors (101415270).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70391130 is a wasteful number, since it uses less digits than its factorization.
70391130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 39838.
The product of its (nonzero) digits is 567, while the sum is 24.
The square root of 70391130 is about 8389.9421928879. The cubic root of 70391130 is about 412.8947039303.
The spelling of 70391130 in words is "seventy million, three hundred ninety-one thousand, one hundred thirty".
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