Base | Representation |
---|---|
bin | 1000010111001… |
… | …00110101011101 |
3 | 11212222122112221 |
4 | 10023210311131 |
5 | 120424041300 |
6 | 10543225341 |
7 | 1511131330 |
oct | 413446535 |
9 | 155878487 |
10 | 70143325 |
11 | 3665979a |
12 | 1b5a8251 |
13 | 116bbb35 |
14 | 945c617 |
15 | 625831a |
hex | 42e4d5d |
70143325 has 24 divisors (see below), whose sum is σ = 99830912. Its totient is φ = 47891520.
The previous prime is 70143299. The next prime is 70143329. The reversal of 70143325 is 52334107.
It is not a de Polignac number, because 70143325 - 219 = 69619037 is a prime.
It is a super-3 number, since 3×701433253 (a number of 25 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (25).
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 70143325.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (70143329) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47752 + ... + 49198.
Almost surely, 270143325 is an apocalyptic number.
It is an amenable number.
70143325 is a deficient number, since it is larger than the sum of its proper divisors (29687587).
70143325 is a wasteful number, since it uses less digits than its factorization.
70143325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1741 (or 1736 counting only the distinct ones).
The product of its (nonzero) digits is 2520, while the sum is 25.
The square root of 70143325 is about 8375.1611924786. The cubic root of 70143325 is about 412.4096159486.
The spelling of 70143325 in words is "seventy million, one hundred forty-three thousand, three hundred twenty-five".
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