Base | Representation |
---|---|
bin | 10100110011101… |
… | …111100111110101 |
3 | 220022220120010210 |
4 | 110303233213311 |
5 | 1203332434400 |
6 | 54350340033 |
7 | 11436242460 |
oct | 2463574765 |
9 | 808816123 |
10 | 349108725 |
11 | 16a076609 |
12 | 98aba619 |
13 | 57433614 |
14 | 345182d7 |
15 | 209ae950 |
hex | 14cef9f5 |
349108725 has 48 divisors (see below), whose sum is σ = 661564800. Its totient is φ = 159129600.
The previous prime is 349108693. The next prime is 349108729. The reversal of 349108725 is 527801943.
It is not a de Polignac number, because 349108725 - 25 = 349108693 is a prime.
It is a super-2 number, since 2×3491087252 = 243753803742251250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (349108729) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 234985 + ... + 236465.
It is an arithmetic number, because the mean of its divisors is an integer number (13782600).
Almost surely, 2349108725 is an apocalyptic number.
349108725 is a gapful number since it is divisible by the number (35) formed by its first and last digit.
It is an amenable number.
349108725 is a deficient number, since it is larger than the sum of its proper divisors (312456075).
349108725 is a wasteful number, since it uses less digits than its factorization.
349108725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1950 (or 1945 counting only the distinct ones).
The product of its (nonzero) digits is 60480, while the sum is 39.
The square root of 349108725 is about 18684.4514235768. The cubic root of 349108725 is about 704.1311665090.
The spelling of 349108725 in words is "three hundred forty-nine million, one hundred eight thousand, seven hundred twenty-five".
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