Base | Representation |
---|---|
bin | 1000011000101… |
… | …00011101001100 |
3 | 11220100120010012 |
4 | 10030110131030 |
5 | 121001312010 |
6 | 10551332352 |
7 | 1512603110 |
oct | 414243514 |
9 | 156316105 |
10 | 70338380 |
11 | 367822a2 |
12 | 1b6810b8 |
13 | 11759858 |
14 | 94ad740 |
15 | 6296005 |
hex | 431474c |
70338380 has 96 divisors (see below), whose sum is σ = 183644160. Its totient is φ = 22083840.
The previous prime is 70338379. The next prime is 70338397. The reversal of 70338380 is 8383307.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 82034 + ... + 82886.
It is an arithmetic number, because the mean of its divisors is an integer number (1912960).
Almost surely, 270338380 is an apocalyptic number.
70338380 is a gapful number since it is divisible by the number (70) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70338380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91822080).
70338380 is an abundant number, since it is smaller than the sum of its proper divisors (113305780).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70338380 is a wasteful number, since it uses less digits than its factorization.
70338380 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 919 (or 917 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 70338380 is about 8386.7979586968. The cubic root of 70338380 is about 412.7915392348.
The spelling of 70338380 in words is "seventy million, three hundred thirty-eight thousand, three hundred eighty".
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