Base | Representation |
---|---|
bin | 1000010111000… |
… | …10010100110000 |
3 | 11212222010110000 |
4 | 10023202110300 |
5 | 120423224130 |
6 | 10543110000 |
7 | 1511056335 |
oct | 413422460 |
9 | 155863400 |
10 | 70133040 |
11 | 36651a9a |
12 | 1b5a2300 |
13 | 116b7253 |
14 | 945898c |
15 | 6255260 |
hex | 42e2530 |
70133040 has 200 divisors, whose sum is σ = 248466240. Its totient is φ = 18330624.
The previous prime is 70133039. The next prime is 70133051. The reversal of 70133040 is 4033107.
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 39 ways as a sum of consecutive naturals, for example, 511852 + ... + 511988.
Almost surely, 270133040 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 70133040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124233120).
70133040 is an abundant number, since it is smaller than the sum of its proper divisors (178333200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70133040 is a wasteful number, since it uses less digits than its factorization.
70133040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 241 (or 226 counting only the distinct ones).
The product of its (nonzero) digits is 252, while the sum is 18.
The square root of 70133040 is about 8374.5471519360. The cubic root of 70133040 is about 412.3894579828.
Adding to 70133040 its reverse (4033107), we get a palindrome (74166147).
The spelling of 70133040 in words is "seventy million, one hundred thirty-three thousand, forty".
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