Base | Representation |
---|---|
bin | 1000011001110… |
… | …11011110110110 |
3 | 11220122200101120 |
4 | 10030323132312 |
5 | 121021420410 |
6 | 10555004410 |
7 | 1514140125 |
oct | 414733666 |
9 | 156580346 |
10 | 70498230 |
11 | 36881400 |
12 | 1b739706 |
13 | 117b453a |
14 | 9511abc |
15 | 62c8570 |
hex | 433b7b6 |
70498230 has 48 divisors (see below), whose sum is σ = 185985072. Its totient is φ = 17089600.
The previous prime is 70498177. The next prime is 70498231. The reversal of 70498230 is 3289407.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 70498191 and 70498200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70498231) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6081 + ... + 13340.
It is an arithmetic number, because the mean of its divisors is an integer number (3874689).
Almost surely, 270498230 is an apocalyptic number.
70498230 is an abundant number, since it is smaller than the sum of its proper divisors (115486842).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70498230 is a wasteful number, since it uses less digits than its factorization.
70498230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19453 (or 19442 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 33.
The square root of 70498230 is about 8396.3224092456. The cubic root of 70498230 is about 413.1040040430.
The spelling of 70498230 in words is "seventy million, four hundred ninety-eight thousand, two hundred thirty".
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