Base | Representation |
---|---|
bin | 1000011100101… |
… | …11010110101110 |
3 | 11221100210121001 |
4 | 10032113112232 |
5 | 121120441132 |
6 | 11011030514 |
7 | 1520265214 |
oct | 416272656 |
9 | 157323531 |
10 | 70874542 |
11 | 37009102 |
12 | 1b89b43a |
13 | 118b68cb |
14 | 95accb4 |
15 | 634ece7 |
hex | 43975ae |
70874542 has 4 divisors (see below), whose sum is σ = 106311816. Its totient is φ = 35437270.
The previous prime is 70874539. The next prime is 70874549. The reversal of 70874542 is 24547807.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24547807 = 41 ⋅598727.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70874549) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17718634 + ... + 17718637.
It is an arithmetic number, because the mean of its divisors is an integer number (26577954).
Almost surely, 270874542 is an apocalyptic number.
70874542 is a deficient number, since it is larger than the sum of its proper divisors (35437274).
70874542 is a wasteful number, since it uses less digits than its factorization.
70874542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35437273.
The product of its (nonzero) digits is 62720, while the sum is 37.
The square root of 70874542 is about 8418.7019189421. The cubic root of 70874542 is about 413.8377350357.
The spelling of 70874542 in words is "seventy million, eight hundred seventy-four thousand, five hundred forty-two".
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