Base | Representation |
---|---|
bin | 1000010110110… |
… | …11000100101100 |
3 | 11212220121201000 |
4 | 10023123010230 |
5 | 120421301330 |
6 | 10542320300 |
7 | 1510603626 |
oct | 413330454 |
9 | 155817630 |
10 | 70103340 |
11 | 3663174a |
12 | 1b589090 |
13 | 116a6888 |
14 | 944bc16 |
15 | 624b560 |
hex | 42db12c |
70103340 has 96 divisors (see below), whose sum is σ = 219985920. Its totient is φ = 18532800.
The previous prime is 70103339. The next prime is 70103401. The reversal of 70103340 is 4330107.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 70245 + ... + 71235.
It is an arithmetic number, because the mean of its divisors is an integer number (2291520).
Almost surely, 270103340 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 70103340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109992960).
70103340 is an abundant number, since it is smaller than the sum of its proper divisors (149882580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70103340 is a wasteful number, since it uses less digits than its factorization.
70103340 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1140 (or 1132 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 70103340 is about 8372.7737339546. The cubic root of 70103340 is about 412.3312367496.
Adding to 70103340 its reverse (4330107), we get a palindrome (74433447).
The spelling of 70103340 in words is "seventy million, one hundred three thousand, three hundred forty".
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