Base | Representation |
---|---|
bin | 1000011001011… |
… | …10010011000110 |
3 | 11220112221022120 |
4 | 10030232103012 |
5 | 121013203410 |
6 | 10553510410 |
7 | 1513523523 |
oct | 414562306 |
9 | 156487276 |
10 | 70444230 |
11 | 3684487a |
12 | 1b712406 |
13 | 11795a9c |
14 | 94da14a |
15 | 62b7570 |
hex | 432e4c6 |
70444230 has 32 divisors (see below), whose sum is σ = 171936000. Its totient is φ = 18466272.
The previous prime is 70444223. The next prime is 70444237. The reversal of 70444230 is 3244407.
It is an interprime number because it is at equal distance from previous prime (70444223) and next prime (70444237).
It is a self number, because there is not a number n which added to its sum of digits gives 70444230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70444237) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18130 + ... + 21669.
It is an arithmetic number, because the mean of its divisors is an integer number (5373000).
Almost surely, 270444230 is an apocalyptic number.
70444230 is an abundant number, since it is smaller than the sum of its proper divisors (101491770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70444230 is a wasteful number, since it uses less digits than its factorization.
70444230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39868.
The product of its (nonzero) digits is 2688, while the sum is 24.
The square root of 70444230 is about 8393.1060996511. The cubic root of 70444230 is about 412.9985010899.
Adding to 70444230 its reverse (3244407), we get a palindrome (73688637).
The spelling of 70444230 in words is "seventy million, four hundred forty-four thousand, two hundred thirty".
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