Base | Representation |
---|---|
bin | 1011110110010… |
… | …1000100000111 |
3 | 10110111212111210 |
4 | 2331211010013 |
5 | 100210301111 |
6 | 4533102503 |
7 | 1142263206 |
oct | 275450407 |
9 | 113455453 |
10 | 49697031 |
11 | 2606412a |
12 | 14787a33 |
13 | a3b0537 |
14 | 685923d |
15 | 456a0a6 |
hex | 2f65107 |
49697031 has 16 divisors (see below), whose sum is σ = 68271104. Its totient is φ = 32133024.
The previous prime is 49697003. The next prime is 49697099. The reversal of 49697031 is 13079694.
49697031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 49697031 - 213 = 49688839 is a prime.
It is a super-2 number, since 2×496970312 = 4939589780429922, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49697831) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50910 + ... + 51876.
It is an arithmetic number, because the mean of its divisors is an integer number (4266944).
Almost surely, 249697031 is an apocalyptic number.
49697031 is a deficient number, since it is larger than the sum of its proper divisors (18574073).
49697031 is a wasteful number, since it uses less digits than its factorization.
49697031 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1470.
The product of its (nonzero) digits is 40824, while the sum is 39.
The square root of 49697031 is about 7049.6121169891. The cubic root of 49697031 is about 367.6575436335.
The spelling of 49697031 in words is "forty-nine million, six hundred ninety-seven thousand, thirty-one".
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