Base | Representation |
---|---|
bin | 1000011001010… |
… | …11000111100001 |
3 | 11220112021110000 |
4 | 10030223013201 |
5 | 121012244301 |
6 | 10553330213 |
7 | 1513440531 |
oct | 414530741 |
9 | 156467400 |
10 | 70431201 |
11 | 36836005 |
12 | 1b706969 |
13 | 1178cb89 |
14 | 94d54c1 |
15 | 62b3786 |
hex | 432b1e1 |
70431201 has 10 divisors (see below), whose sum is σ = 105212162. Its totient is φ = 46954080.
The previous prime is 70431197. The next prime is 70431211. The reversal of 70431201 is 10213407.
It can be written as a sum of positive squares in only one way, i.e., 49280400 + 21150801 = 7020^2 + 4599^2 .
It is not a de Polignac number, because 70431201 - 22 = 70431197 is a prime.
It is a super-3 number, since 3×704312013 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (70431211) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 434680 + ... + 434841.
Almost surely, 270431201 is an apocalyptic number.
It is an amenable number.
70431201 is a deficient number, since it is larger than the sum of its proper divisors (34780961).
70431201 is an equidigital number, since it uses as much as digits as its factorization.
70431201 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 869533 (or 869524 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 70431201 is about 8392.3298910374. The cubic root of 70431201 is about 412.9730374986.
Adding to 70431201 its reverse (10213407), we get a palindrome (80644608).
The spelling of 70431201 in words is "seventy million, four hundred thirty-one thousand, two hundred one".
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