Base | Representation |
---|---|
bin | 1000011011100… |
… | …00111011100000 |
3 | 11221001210200210 |
4 | 10031300323200 |
5 | 121100422102 |
6 | 11003414120 |
7 | 1516041312 |
oct | 415607340 |
9 | 157053623 |
10 | 70717152 |
11 | 36a10930 |
12 | 1b824340 |
13 | 1186008c |
14 | 956b7b2 |
15 | 631d36c |
hex | 4370ee0 |
70717152 has 96 divisors (see below), whose sum is σ = 204228864. Its totient is φ = 21248000.
The previous prime is 70717151. The next prime is 70717181. The reversal of 70717152 is 25171707.
It is a tau number, because it is divible by the number of its divisors (96).
It is a super-2 number, since 2×707171522 = 10001831173982208, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70717151) 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, 176152 + ... + 176552.
It is an arithmetic number, because the mean of its divisors is an integer number (2127384).
Almost surely, 270717152 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 70717152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102114432).
70717152 is an abundant number, since it is smaller than the sum of its proper divisors (133511712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
70717152 is a wasteful number, since it uses less digits than its factorization.
70717152 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 592 (or 584 counting only the distinct ones).
The product of its (nonzero) digits is 3430, while the sum is 30.
The square root of 70717152 is about 8409.3490830147. The cubic root of 70717152 is about 413.5311736442.
Adding to 70717152 its reverse (25171707), we get a palindrome (95888859).
The spelling of 70717152 in words is "seventy million, seven hundred seventeen thousand, one hundred fifty-two".
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