Base | Representation |
---|---|
bin | 1000010110010… |
… | …00110010101100 |
3 | 11212202210222200 |
4 | 10023020302230 |
5 | 120411402320 |
6 | 10540541500 |
7 | 1510142415 |
oct | 413106254 |
9 | 155683880 |
10 | 70028460 |
11 | 36590467 |
12 | 1b551890 |
13 | 1167b778 |
14 | 942c80c |
15 | 6234290 |
hex | 42c8cac |
70028460 has 36 divisors (see below), whose sum is σ = 212420208. Its totient is φ = 18674208.
The previous prime is 70028459. The next prime is 70028461. The reversal of 70028460 is 6482007.
It is an interprime number because it is at equal distance from previous prime (70028459) and next prime (70028461).
It is a tau number, because it is divible by the number of its divisors (36).
It is not an unprimeable number, because it can be changed into a prime (70028461) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 194344 + ... + 194703.
Almost surely, 270028460 is an apocalyptic number.
It is an amenable number.
70028460 is an abundant number, since it is smaller than the sum of its proper divisors (142391748).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70028460 is a wasteful number, since it uses less digits than its factorization.
70028460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 389062 (or 389057 counting only the distinct ones).
The product of its (nonzero) digits is 2688, while the sum is 27.
The square root of 70028460 is about 8368.3009028118. The cubic root of 70028460 is about 412.1843756415.
The spelling of 70028460 in words is "seventy million, twenty-eight thousand, four hundred sixty".
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