Base | Representation |
---|---|
bin | 1000011001010… |
… | …00011110111100 |
3 | 11220111201122102 |
4 | 10030220132330 |
5 | 121011423122 |
6 | 10553204232 |
7 | 1513364216 |
oct | 414503674 |
9 | 156451572 |
10 | 70420412 |
11 | 36828997 |
12 | 1b700678 |
13 | 11787caa |
14 | 94d15b6 |
15 | 62b0492 |
hex | 43287bc |
70420412 has 24 divisors (see below), whose sum is σ = 126539952. Its totient is φ = 34272000.
The previous prime is 70420397. The next prime is 70420421. The reversal of 70420412 is 21402407.
It is a Smith number, since the sum of its digits (20) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68462 + ... + 69482.
It is an arithmetic number, because the mean of its divisors is an integer number (5272498).
Almost surely, 270420412 is an apocalyptic number.
It is an amenable number.
70420412 is a deficient number, since it is larger than the sum of its proper divisors (56119540).
70420412 is a wasteful number, since it uses less digits than its factorization.
70420412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1469 (or 1467 counting only the distinct ones).
The product of its (nonzero) digits is 448, while the sum is 20.
The square root of 70420412 is about 8391.6870771020. The cubic root of 70420412 is about 412.9519493371.
Adding to 70420412 its reverse (21402407), we get a palindrome (91822819).
The spelling of 70420412 in words is "seventy million, four hundred twenty thousand, four hundred twelve".
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