Base | Representation |
---|---|
bin | 1000010110011… |
… | …00111001000111 |
3 | 11212210200000201 |
4 | 10023030321013 |
5 | 120412422010 |
6 | 10541151331 |
7 | 1510242400 |
oct | 413147107 |
9 | 155720021 |
10 | 70045255 |
11 | 365a2045 |
12 | 1b55b547 |
13 | 116862c7 |
14 | 94349a7 |
15 | 623923a |
hex | 42cce47 |
70045255 has 24 divisors (see below), whose sum is σ = 100433088. Its totient is φ = 46726848.
The previous prime is 70045249. The next prime is 70045273. The reversal of 70045255 is 55254007.
It is not a de Polignac number, because 70045255 - 27 = 70045127 is a prime.
It is a congruent number.
It is an unprimeable number.
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, 5202 + ... + 12928.
It is an arithmetic number, because the mean of its divisors is an integer number (4184712).
Almost surely, 270045255 is an apocalyptic number.
70045255 is a deficient number, since it is larger than the sum of its proper divisors (30387833).
70045255 is a wasteful number, since it uses less digits than its factorization.
70045255 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7783 (or 7776 counting only the distinct ones).
The product of its (nonzero) digits is 7000, while the sum is 28.
The square root of 70045255 is about 8369.3043319024. The cubic root of 70045255 is about 412.2173245466.
The spelling of 70045255 in words is "seventy million, forty-five thousand, two hundred fifty-five".
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