Base | Representation |
---|---|
bin | 1000011001000… |
… | …01101111000000 |
3 | 11220110022201120 |
4 | 10030201233000 |
5 | 121010032033 |
6 | 10552432240 |
7 | 1513220505 |
oct | 414415700 |
9 | 156408646 |
10 | 70392768 |
11 | 3680a146 |
12 | 1b6a8680 |
13 | 11778534 |
14 | 94c54ac |
15 | 62a71b3 |
hex | 4321bc0 |
70392768 has 56 divisors (see below), whose sum is σ = 187177680. Its totient is φ = 23347200.
The previous prime is 70392757. The next prime is 70392769. The reversal of 70392768 is 86729307.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70392769) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43168 + ... + 44768.
Almost surely, 270392768 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70392768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93588840).
70392768 is an abundant number, since it is smaller than the sum of its proper divisors (116784912).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70392768 is a wasteful number, since it uses less digits than its factorization.
70392768 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1845 (or 1835 counting only the distinct ones).
The product of its (nonzero) digits is 127008, while the sum is 42.
The square root of 70392768 is about 8390.0398092023. The cubic root of 70392768 is about 412.8979065889.
The spelling of 70392768 in words is "seventy million, three hundred ninety-two thousand, seven hundred sixty-eight".
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