Base | Representation |
---|---|
bin | 1000011010001… |
… | …10000000111011 |
3 | 11220201212120101 |
4 | 10031012000323 |
5 | 121024310441 |
6 | 10555540231 |
7 | 1514406655 |
oct | 415060073 |
9 | 156655511 |
10 | 70541371 |
11 | 3690085a |
12 | 1b75a677 |
13 | 117cb074 |
14 | 95236d5 |
15 | 62d6231 |
hex | 434603b |
70541371 has 4 divisors (see below), whose sum is σ = 72181912. Its totient is φ = 68900832.
The previous prime is 70541363. The next prime is 70541377. The reversal of 70541371 is 17314507.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17314507 = 7 ⋅2473501.
It is a cyclic number.
It is not a de Polignac number, because 70541371 - 23 = 70541363 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70541377) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 820206 + ... + 820291.
It is an arithmetic number, because the mean of its divisors is an integer number (18045478).
Almost surely, 270541371 is an apocalyptic number.
70541371 is a deficient number, since it is larger than the sum of its proper divisors (1640541).
70541371 is a wasteful number, since it uses less digits than its factorization.
70541371 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1640540.
The product of its (nonzero) digits is 2940, while the sum is 28.
The square root of 70541371 is about 8398.8910577528. The cubic root of 70541371 is about 413.1882524266.
Adding to 70541371 its reverse (17314507), we get a palindrome (87855878).
The spelling of 70541371 in words is "seventy million, five hundred forty-one thousand, three hundred seventy-one".
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