Base | Representation |
---|---|
bin | 1011101101001… |
… | …1111001011001 |
3 | 10102101122212100 |
4 | 2323103321121 |
5 | 100032234200 |
6 | 4512234013 |
7 | 1134235521 |
oct | 273237131 |
9 | 112348770 |
10 | 49102425 |
11 | 25798419 |
12 | 1453b909 |
13 | a2329b8 |
14 | 6742681 |
15 | 449dd00 |
hex | 2ed3e59 |
49102425 has 18 divisors (see below), whose sum is σ = 87948302. Its totient is φ = 26187840.
The previous prime is 49102399. The next prime is 49102439. The reversal of 49102425 is 52420194.
It can be written as a sum of positive squares in 3 ways, for example, as 16475481 + 32626944 = 4059^2 + 5712^2 .
It is not a de Polignac number, because 49102425 - 214 = 49086041 is a prime.
It is a super-2 number, since 2×491024252 = 4822096281761250, which contains 22 as substring.
It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 108892 + ... + 109341.
Almost surely, 249102425 is an apocalyptic number.
49102425 is a gapful number since it is divisible by the number (45) formed by its first and last digit.
It is an amenable number.
49102425 is a deficient number, since it is larger than the sum of its proper divisors (38845877).
49102425 is a wasteful number, since it uses less digits than its factorization.
49102425 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 218249 (or 218241 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 27.
The square root of 49102425 is about 7007.3122522120. The cubic root of 49102425 is about 366.1853625249.
The spelling of 49102425 in words is "forty-nine million, one hundred two thousand, four hundred twenty-five".
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