Base | Representation |
---|---|
bin | 1000010110011… |
… | …00100100110000 |
3 | 11212210121020110 |
4 | 10023030210300 |
5 | 120412401302 |
6 | 10541141320 |
7 | 1510235526 |
oct | 413144460 |
9 | 155717213 |
10 | 70043952 |
11 | 365a1070 |
12 | 1b55a840 |
13 | 11685834 |
14 | 9434316 |
15 | 6238b6c |
hex | 42cc930 |
70043952 has 80 divisors (see below), whose sum is σ = 201201408. Its totient is φ = 20816640.
The previous prime is 70043891. The next prime is 70043957. The reversal of 70043952 is 25934007.
It is not an unprimeable number, because it can be changed into a prime (70043957) 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, 26733 + ... + 29235.
Almost surely, 270043952 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 70043952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (100600704).
70043952 is an abundant number, since it is smaller than the sum of its proper divisors (131157456).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70043952 is a wasteful number, since it uses less digits than its factorization.
70043952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2578 (or 2572 counting only the distinct ones).
The product of its (nonzero) digits is 7560, while the sum is 30.
The square root of 70043952 is about 8369.2264875555. The cubic root of 70043952 is about 412.2147684729.
Adding to 70043952 its reverse (25934007), we get a palindrome (95977959).
The spelling of 70043952 in words is "seventy million, forty-three thousand, nine hundred fifty-two".
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