Base | Representation |
---|---|
bin | 1011111010111… |
… | …1000001000000 |
3 | 10111002021000111 |
4 | 2332233001000 |
5 | 100244444221 |
6 | 4543401104 |
7 | 1144664260 |
oct | 276570100 |
9 | 114067014 |
10 | 49999936 |
11 | 26250768 |
12 | 148b3194 |
13 | a48837c |
14 | 68d77a0 |
15 | 45c9be1 |
hex | 2faf040 |
49999936 has 56 divisors (see below), whose sum is σ = 114117120. Its totient is φ = 21292032.
The previous prime is 49999921. The next prime is 49999991. The reversal of 49999936 is 63999994.
49999936 = 532 + 542 + ... + 5312.
It is a tau number, because it is divible by the number of its divisors (56).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104145 + ... + 104623.
Almost surely, 249999936 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 49999936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57058560).
49999936 is an abundant number, since it is smaller than the sum of its proper divisors (64117184).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
49999936 is a wasteful number, since it uses less digits than its factorization.
49999936 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 731 (or 721 counting only the distinct ones).
The product of its digits is 4251528, while the sum is 58.
The square root of 49999936 is about 7071.0632863806. The cubic root of 49999936 is about 368.4029926786.
Adding to 49999936 its sum of digits (58), we get a palindrome (49999994).
The spelling of 49999936 in words is "forty-nine million, nine hundred ninety-nine thousand, nine hundred thirty-six".
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