Base | Representation |
---|---|
bin | 1000010111110… |
… | …10101001110000 |
3 | 11220011012010200 |
4 | 10023322221300 |
5 | 120434421223 |
6 | 10545155200 |
7 | 1511653011 |
oct | 413725160 |
9 | 156135120 |
10 | 70232688 |
11 | 3670a949 |
12 | 1b62bb00 |
13 | 11720706 |
14 | 9483008 |
15 | 6274a43 |
hex | 42faa70 |
70232688 has 30 divisors (see below), whose sum is σ = 196554384. Its totient is φ = 23410848.
The previous prime is 70232681. The next prime is 70232741. The reversal of 70232688 is 88623207.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70232681) by changing a digit.
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 5 ways as a sum of consecutive naturals, for example, 243720 + ... + 244007.
Almost surely, 270232688 is an apocalyptic number.
It is an amenable number.
70232688 is an abundant number, since it is smaller than the sum of its proper divisors (126321696).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70232688 is a wasteful number, since it uses less digits than its factorization.
70232688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 487741 (or 487732 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The square root of 70232688 is about 8380.4944961500. The cubic root of 70232688 is about 412.5846790344.
The spelling of 70232688 in words is "seventy million, two hundred thirty-two thousand, six hundred eighty-eight".
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