Base | Representation |
---|---|
bin | 10100111111000… |
… | …011001011101111 |
3 | 220112111010120200 |
4 | 110333003023233 |
5 | 1210112304211 |
6 | 54534044543 |
7 | 11503365144 |
oct | 2477031357 |
9 | 815433520 |
10 | 352072431 |
11 | 170810257 |
12 | 99aa9753 |
13 | 57c305a9 |
14 | 34a8a3cb |
15 | 20d97b56 |
hex | 14fc32ef |
352072431 has 24 divisors (see below), whose sum is σ = 561880800. Its totient is φ = 211301376.
The previous prime is 352072421. The next prime is 352072439. The reversal of 352072431 is 134270253.
It is not a de Polignac number, because 352072431 - 219 = 351548143 is a prime.
It is a super-2 number, since 2×3520724312 = 247909993340499522, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 352072395 and 352072404.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (352072439) 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, 46506 + ... + 53543.
It is an arithmetic number, because the mean of its divisors is an integer number (23411700).
Almost surely, 2352072431 is an apocalyptic number.
352072431 is a deficient number, since it is larger than the sum of its proper divisors (209808369).
352072431 is a wasteful number, since it uses less digits than its factorization.
352072431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 100095 (or 100092 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 27.
The square root of 352072431 is about 18763.5932326407. The cubic root of 352072431 is about 706.1180930355.
The spelling of 352072431 in words is "three hundred fifty-two million, seventy-two thousand, four hundred thirty-one".
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