Base | Representation |
---|---|
bin | 1000010110101… |
… | …11101101010011 |
3 | 11212212220210110 |
4 | 10023113231103 |
5 | 120420331210 |
6 | 10542132403 |
7 | 1510515504 |
oct | 413275523 |
9 | 155786713 |
10 | 70089555 |
11 | 36622358 |
12 | 1b581103 |
13 | 116a0513 |
14 | 9446bab |
15 | 6247420 |
hex | 42d7b53 |
70089555 has 16 divisors (see below), whose sum is σ = 118740384. Its totient is φ = 35182080.
The previous prime is 70089473. The next prime is 70089557. The reversal of 70089555 is 55598007.
It is not a de Polignac number, because 70089555 - 212 = 70085459 is a prime.
It is not an unprimeable number, because it can be changed into a prime (70089557) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137176 + ... + 137685.
It is an arithmetic number, because the mean of its divisors is an integer number (7421274).
Almost surely, 270089555 is an apocalyptic number.
70089555 is a deficient number, since it is larger than the sum of its proper divisors (48650829).
70089555 is a wasteful number, since it uses less digits than its factorization.
70089555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 274886.
The product of its (nonzero) digits is 63000, while the sum is 39.
The square root of 70089555 is about 8371.9504895813. The cubic root of 70089555 is about 412.3042082766.
The spelling of 70089555 in words is "seventy million, eighty-nine thousand, five hundred fifty-five".
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