Base | Representation |
---|---|
bin | 1000011000010… |
… | …10010001000010 |
3 | 11220021102212100 |
4 | 10030022101002 |
5 | 120443443032 |
6 | 10550411230 |
7 | 1512340323 |
oct | 414122102 |
9 | 156242770 |
10 | 70296642 |
11 | 367539a9 |
12 | 1b660b16 |
13 | 11743860 |
14 | 949c44a |
15 | 628897c |
hex | 430a442 |
70296642 has 24 divisors (see below), whose sum is σ = 164026044. Its totient is φ = 21629664.
The previous prime is 70296617. The next prime is 70296643. The reversal of 70296642 is 24669207.
It is a happy number.
70296642 is a `hidden beast` number, since 7 + 0 + 2 + 9 + 6 + 642 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 68906601 + 1390041 = 8301^2 + 1179^2 .
It is a junction number, because it is equal to n+sod(n) for n = 70296597 and 70296606.
It is not an unprimeable number, because it can be changed into a prime (70296643) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 149973 + ... + 150440.
Almost surely, 270296642 is an apocalyptic number.
70296642 is an abundant number, since it is smaller than the sum of its proper divisors (93729402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70296642 is a wasteful number, since it uses less digits than its factorization.
70296642 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 300434 (or 300431 counting only the distinct ones).
The product of its (nonzero) digits is 36288, while the sum is 36.
The square root of 70296642 is about 8384.3092738758. The cubic root of 70296642 is about 412.7098744678.
It can be divided in two parts, 702 and 96642, that added together give a square (97344 = 3122).
The spelling of 70296642 in words is "seventy million, two hundred ninety-six thousand, six hundred forty-two".
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