Base | Representation |
---|---|
bin | 1000011000111… |
… | …10101100011000 |
3 | 11220102200122020 |
4 | 10030132230120 |
5 | 121004132222 |
6 | 10552254440 |
7 | 1513136262 |
oct | 414365430 |
9 | 156380566 |
10 | 70380312 |
11 | 36800852 |
12 | 1b6a1420 |
13 | 11772972 |
14 | 94c0b32 |
15 | 62a365c |
hex | 431eb18 |
70380312 has 64 divisors (see below), whose sum is σ = 180610560. Its totient is φ = 22848000.
The previous prime is 70380307. The next prime is 70380337. The reversal of 70380312 is 21308307.
It is a Harshad number since it is a multiple of its sum of digits (24).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 175312 + ... + 175712.
It is an arithmetic number, because the mean of its divisors is an integer number (2822040).
Almost surely, 270380312 is an apocalyptic number.
It is an amenable number.
70380312 is an abundant number, since it is smaller than the sum of its proper divisors (110230248).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70380312 is a wasteful number, since it uses less digits than its factorization.
70380312 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 584 (or 580 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 70380312 is about 8389.2974676072. The cubic root of 70380312 is about 412.8735510580.
Adding to 70380312 its reverse (21308307), we get a palindrome (91688619).
The spelling of 70380312 in words is "seventy million, three hundred eighty thousand, three hundred twelve".
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