Base | Representation |
---|---|
bin | 1000010111001… |
… | …10000100000101 |
3 | 11212222220110022 |
4 | 10023212010011 |
5 | 120424221412 |
6 | 10543304525 |
7 | 1511152106 |
oct | 413460405 |
9 | 155886408 |
10 | 70148357 |
11 | 36662554 |
12 | 1b5ab145 |
13 | 116c1206 |
14 | 94603ad |
15 | 6259a72 |
hex | 42e6105 |
70148357 has 2 divisors, whose sum is σ = 70148358. Its totient is φ = 70148356.
The previous prime is 70148347. The next prime is 70148383. The reversal of 70148357 is 75384107.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 42627841 + 27520516 = 6529^2 + 5246^2 .
It is a cyclic number.
It is not a de Polignac number, because 70148357 - 26 = 70148293 is a prime.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (70148327) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35074178 + 35074179.
It is an arithmetic number, because the mean of its divisors is an integer number (35074179).
Almost surely, 270148357 is an apocalyptic number.
It is an amenable number.
70148357 is a deficient number, since it is larger than the sum of its proper divisors (1).
70148357 is an equidigital number, since it uses as much as digits as its factorization.
70148357 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 23520, while the sum is 35.
The square root of 70148357 is about 8375.4615992195. The cubic root of 70148357 is about 412.4194776404.
The spelling of 70148357 in words is "seventy million, one hundred forty-eight thousand, three hundred fifty-seven".
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