Base | Representation |
---|---|
bin | 1000010110011… |
… | …11010001111101 |
3 | 11212211011110000 |
4 | 10023033101331 |
5 | 120413230122 |
6 | 10541304513 |
7 | 1510313043 |
oct | 413172175 |
9 | 155734400 |
10 | 70055037 |
11 | 365a9428 |
12 | 1b565139 |
13 | 1168a8b0 |
14 | 9438393 |
15 | 623c0ac |
hex | 42cf47d |
70055037 has 20 divisors (see below), whose sum is σ = 112701820. Its totient is φ = 43110144.
The previous prime is 70055003. The next prime is 70055053. The reversal of 70055037 is 73055007.
It can be written as a sum of positive squares in 2 ways, for example, as 33802596 + 36252441 = 5814^2 + 6021^2 .
It is not a de Polignac number, because 70055037 - 212 = 70050941 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70055037.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70055057) by changing a digit.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 32212 + ... + 34317.
It is an arithmetic number, because the mean of its divisors is an integer number (5635091).
Almost surely, 270055037 is an apocalyptic number.
It is an amenable number.
70055037 is a deficient number, since it is larger than the sum of its proper divisors (42646783).
70055037 is a wasteful number, since it uses less digits than its factorization.
70055037 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66554 (or 66545 counting only the distinct ones).
The product of its (nonzero) digits is 3675, while the sum is 27.
The square root of 70055037 is about 8369.8887089375. Note that the first 3 decimals coincide. The cubic root of 70055037 is about 412.2365127232.
The spelling of 70055037 in words is "seventy million, fifty-five thousand, thirty-seven".
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