Base | Representation |
---|---|
bin | 1000011000000… |
… | …00001000010101 |
3 | 11220012022220200 |
4 | 10030000020111 |
5 | 120441131000 |
6 | 10545451113 |
7 | 1512105303 |
oct | 414001025 |
9 | 156168820 |
10 | 70255125 |
11 | 36725796 |
12 | 1b640a99 |
13 | 1172a9a5 |
14 | 948b273 |
15 | 627b500 |
hex | 4300215 |
70255125 has 48 divisors (see below), whose sum is σ = 127690992. Its totient is φ = 37161600.
The previous prime is 70255121. The next prime is 70255153. The reversal of 70255125 is 52155207.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 19660356 + 50594769 = 4434^2 + 7113^2 .
It is not a de Polignac number, because 70255125 - 22 = 70255121 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70255121) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 221467 + ... + 221783.
It is an arithmetic number, because the mean of its divisors is an integer number (2660229).
Almost surely, 270255125 is an apocalyptic number.
70255125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
70255125 is a deficient number, since it is larger than the sum of its proper divisors (57435867).
70255125 is a wasteful number, since it uses less digits than its factorization.
70255125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 535 (or 522 counting only the distinct ones).
The product of its (nonzero) digits is 3500, while the sum is 27.
The square root of 70255125 is about 8381.8330334122. The cubic root of 70255125 is about 412.6286100353.
The spelling of 70255125 in words is "seventy million, two hundred fifty-five thousand, one hundred twenty-five".
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