Base | Representation |
---|---|
bin | 1011110011110… |
… | …1110001010001 |
3 | 10110012200201200 |
4 | 2330331301101 |
5 | 100140123311 |
6 | 4525421413 |
7 | 1141023030 |
oct | 274756121 |
9 | 113180650 |
10 | 49536081 |
11 | 25a64211 |
12 | 1470a869 |
13 | a3551ba |
14 | 6816717 |
15 | 4537556 |
hex | 2f3dc51 |
49536081 has 48 divisors (see below), whose sum is σ = 85363200. Its totient is φ = 27091584.
The previous prime is 49536023. The next prime is 49536083. The reversal of 49536081 is 18063594.
49536081 is a `hidden beast` number, since 49 + 5 + 3 + 608 + 1 = 666.
49536081 is a nontrivial binomial coefficient, being equal to C(9954, 2).
It is not a de Polignac number, because 49536081 - 26 = 49536017 is a prime.
It is a super-2 number, since 2×495360812 = 4907646641677122, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (49536083) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 184015 + ... + 184283.
It is an arithmetic number, because the mean of its divisors is an integer number (1778400).
Almost surely, 249536081 is an apocalyptic number.
49536081 is the 9953-rd triangular number and also the 4977-th hexagonal number.
It is an amenable number.
49536081 is a deficient number, since it is larger than the sum of its proper divisors (35827119).
49536081 is a wasteful number, since it uses less digits than its factorization.
49536081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 398 (or 395 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 36.
The square root of 49536081 is about 7038.1873376602. The cubic root of 49536081 is about 367.2602128678.
It can be divided in two parts, 49 and 536081, that added together give a triangular number (536130 = T1035).
The spelling of 49536081 in words is "forty-nine million, five hundred thirty-six thousand, eighty-one".
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