Base | Representation |
---|---|
bin | 1000011000010… |
… | …10100000000101 |
3 | 11220021111012000 |
4 | 10030022200011 |
5 | 120444010410 |
6 | 10550415513 |
7 | 1512343200 |
oct | 414124005 |
9 | 156244160 |
10 | 70297605 |
11 | 367546a4 |
12 | 1b661599 |
13 | 11744121 |
14 | 949c937 |
15 | 6288dc0 |
hex | 430a805 |
70297605 has 48 divisors (see below), whose sum is σ = 145391040. Its totient is φ = 32133024.
The previous prime is 70297589. The next prime is 70297607. The reversal of 70297605 is 50679207.
It is not a de Polignac number, because 70297605 - 24 = 70297589 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 70297605.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70297607) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1302 + ... + 11928.
It is an arithmetic number, because the mean of its divisors is an integer number (3028980).
Almost surely, 270297605 is an apocalyptic number.
It is an amenable number.
70297605 is an abundant number, since it is smaller than the sum of its proper divisors (75093435).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70297605 is a wasteful number, since it uses less digits than its factorization.
70297605 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10655 (or 10642 counting only the distinct ones).
The product of its (nonzero) digits is 26460, while the sum is 36.
The square root of 70297605 is about 8384.3667023813. The cubic root of 70297605 is about 412.7117590424.
The spelling of 70297605 in words is "seventy million, two hundred ninety-seven thousand, six hundred five".
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