Base | Representation |
---|---|
bin | 1011110001101… |
… | …0100100110101 |
3 | 10102221100222120 |
4 | 2330122210311 |
5 | 100121020200 |
6 | 4522350153 |
7 | 1136552532 |
oct | 274324465 |
9 | 112840876 |
10 | 49391925 |
11 | 25975980 |
12 | 1465b359 |
13 | a3046bb |
14 | 67b9d89 |
15 | 45099a0 |
hex | 2f1a935 |
49391925 has 96 divisors (see below), whose sum is σ = 98565120. Its totient is φ = 21542400.
The previous prime is 49391917. The next prime is 49391939. The reversal of 49391925 is 52919394.
49391925 = T164 + T165 + ... + T669.
It is not a de Polignac number, because 49391925 - 23 = 49391917 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 360457 + ... + 360593.
It is an arithmetic number, because the mean of its divisors is an integer number (1026720).
Almost surely, 249391925 is an apocalyptic number.
It is an amenable number.
49391925 is a deficient number, since it is larger than the sum of its proper divisors (49173195).
49391925 is a wasteful number, since it uses less digits than its factorization.
49391925 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 203 (or 198 counting only the distinct ones).
The product of its digits is 87480, while the sum is 42.
The square root of 49391925 is about 7027.9388870422. The cubic root of 49391925 is about 366.9036094790.
The spelling of 49391925 in words is "forty-nine million, three hundred ninety-one thousand, nine hundred twenty-five".
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