Base | Representation |
---|---|
bin | 1000010111011… |
… | …10000011011101 |
3 | 11220001120100110 |
4 | 10023232003131 |
5 | 120431243320 |
6 | 10544120233 |
7 | 1511346402 |
oct | 413560335 |
9 | 156046313 |
10 | 70181085 |
11 | 366850a7 |
12 | 1b606079 |
13 | 11703090 |
14 | 946c2a9 |
15 | 62645e0 |
hex | 42ee0dd |
70181085 has 32 divisors (see below), whose sum is σ = 121339008. Its totient is φ = 34433280.
The previous prime is 70181071. The next prime is 70181101. The reversal of 70181085 is 58018107.
It is not a de Polignac number, because 70181085 - 26 = 70181021 is a prime.
It is a Curzon number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95379 + ... + 96111.
It is an arithmetic number, because the mean of its divisors is an integer number (3791844).
Almost surely, 270181085 is an apocalyptic number.
It is an amenable number.
70181085 is a deficient number, since it is larger than the sum of its proper divisors (51157923).
70181085 is a wasteful number, since it uses less digits than its factorization.
70181085 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1245.
The product of its (nonzero) digits is 2240, while the sum is 30.
The square root of 70181085 is about 8377.4151741453. The cubic root of 70181085 is about 412.4836063274.
The spelling of 70181085 in words is "seventy million, one hundred eighty-one thousand, eighty-five".
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