Base | Representation |
---|---|
bin | 1000011010001… |
… | …01111000001010 |
3 | 11220201211210121 |
4 | 10031011320022 |
5 | 121024301220 |
6 | 10555533454 |
7 | 1514405224 |
oct | 415057012 |
9 | 156654717 |
10 | 70540810 |
11 | 3690039a |
12 | 1b75a28a |
13 | 117caa32 |
14 | 9523414 |
15 | 62d5eaa |
hex | 4345e0a |
70540810 has 32 divisors (see below), whose sum is σ = 131668992. Its totient is φ = 27181440.
The previous prime is 70540807. The next prime is 70540819. The reversal of 70540810 is 1804507.
It is a super-2 number, since 2×705408102 = 9952011750912200, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (70540819) 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 15 ways as a sum of consecutive naturals, for example, 96667 + ... + 97393.
It is an arithmetic number, because the mean of its divisors is an integer number (4114656).
Almost surely, 270540810 is an apocalyptic number.
70540810 is a deficient number, since it is larger than the sum of its proper divisors (61128182).
70540810 is a wasteful number, since it uses less digits than its factorization.
70540810 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1078.
The product of its (nonzero) digits is 1120, while the sum is 25.
The square root of 70540810 is about 8398.8576604203. The cubic root of 70540810 is about 413.1871570919.
The spelling of 70540810 in words is "seventy million, five hundred forty thousand, eight hundred ten".
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