Base | Representation |
---|---|
bin | 1000010111100… |
… | …10100100110101 |
3 | 11220002111202101 |
4 | 10023302210311 |
5 | 120432341410 |
6 | 10544342101 |
7 | 1511454400 |
oct | 413624465 |
9 | 156074671 |
10 | 70199605 |
11 | 36698003 |
12 | 1b614931 |
13 | 1170b638 |
14 | 9474d37 |
15 | 6269d3a |
hex | 42f2935 |
70199605 has 24 divisors (see below), whose sum is σ = 98393400. Its totient is φ = 47940480.
The previous prime is 70199603. The next prime is 70199609. The reversal of 70199605 is 50699107.
It can be written as a sum of positive squares in 4 ways, for example, as 7187761 + 63011844 = 2681^2 + 7938^2 .
It is not a de Polignac number, because 70199605 - 21 = 70199603 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70199603) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 85095 + ... + 85915.
It is an arithmetic number, because the mean of its divisors is an integer number (4099725).
Almost surely, 270199605 is an apocalyptic number.
It is an amenable number.
70199605 is a deficient number, since it is larger than the sum of its proper divisors (28193795).
70199605 is a wasteful number, since it uses less digits than its factorization.
70199605 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1189 (or 1182 counting only the distinct ones).
The product of its (nonzero) digits is 17010, while the sum is 37.
The square root of 70199605 is about 8378.5204541136. The cubic root of 70199605 is about 412.5198863997.
The spelling of 70199605 in words is "seventy million, one hundred ninety-nine thousand, six hundred five".
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