Base | Representation |
---|---|
bin | 1000011000010… |
… | …01101011100000 |
3 | 11220021022120101 |
4 | 10030021223200 |
5 | 120443403430 |
6 | 10550352144 |
7 | 1512330322 |
oct | 414115340 |
9 | 156238511 |
10 | 70294240 |
11 | 36752115 |
12 | 1b65b654 |
13 | 11742733 |
14 | 949b612 |
15 | 6287dca |
hex | 4309ae0 |
70294240 has 24 divisors (see below), whose sum is σ = 166070520. Its totient is φ = 28117632.
The previous prime is 70294229. The next prime is 70294253. The reversal of 70294240 is 4249207.
It is a junction number, because it is equal to n+sod(n) for n = 70294199 and 70294208.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 219510 + ... + 219829.
It is an arithmetic number, because the mean of its divisors is an integer number (6919605).
Almost surely, 270294240 is an apocalyptic number.
It is an amenable number.
70294240 is an abundant number, since it is smaller than the sum of its proper divisors (95776280).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70294240 is a wasteful number, since it uses less digits than its factorization.
70294240 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 439354 (or 439346 counting only the distinct ones).
The product of its (nonzero) digits is 4032, while the sum is 28.
The square root of 70294240 is about 8384.1660288904. The cubic root of 70294240 is about 412.7051737197.
The spelling of 70294240 in words is "seventy million, two hundred ninety-four thousand, two hundred forty".
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