Base | Representation |
---|---|
bin | 1011111010111… |
… | …0010111111110 |
3 | 10111002010102020 |
4 | 2332232113332 |
5 | 100244403220 |
6 | 4543341010 |
7 | 1144653516 |
oct | 276562776 |
9 | 114063366 |
10 | 49997310 |
11 | 262497a0 |
12 | 148b1766 |
13 | a48710c |
14 | 68d6846 |
15 | 45c9040 |
hex | 2fae5fe |
49997310 has 32 divisors (see below), whose sum is σ = 130902912. Its totient is φ = 12120480.
The previous prime is 49997309. The next prime is 49997317. The reversal of 49997310 is 1379994.
It is a super-2 number, since 2×499973102 = 4999462014472200, which contains 22 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (49997317) 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 15 ways as a sum of consecutive naturals, for example, 75424 + ... + 76083.
It is an arithmetic number, because the mean of its divisors is an integer number (4090716).
Almost surely, 249997310 is an apocalyptic number.
49997310 is an abundant number, since it is smaller than the sum of its proper divisors (80905602).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49997310 is a wasteful number, since it uses less digits than its factorization.
49997310 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 151528.
The product of its (nonzero) digits is 61236, while the sum is 42.
The square root of 49997310 is about 7070.8775975829. The cubic root of 49997310 is about 368.3965430491.
The spelling of 49997310 in words is "forty-nine million, nine hundred ninety-seven thousand, three hundred ten".
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