Base | Representation |
---|---|
bin | 1011111000101… |
… | …1011111011111 |
3 | 10110210212102102 |
4 | 2332023133133 |
5 | 100230320211 |
6 | 4540315315 |
7 | 1143520124 |
oct | 276133737 |
9 | 113725372 |
10 | 49854431 |
11 | 26161410 |
12 | 14842b3b |
13 | a437083 |
14 | 689a74b |
15 | 459ba3b |
hex | 2f8b7df |
49854431 has 4 divisors (see below), whose sum is σ = 54386664. Its totient is φ = 45322200.
The previous prime is 49854407. The next prime is 49854433. The reversal of 49854431 is 13445894.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 49854431 - 26 = 49854367 is a prime.
It is a super-2 number, since 2×498544312 = 4970928580667522, 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 (49854433) 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 3 ways as a sum of consecutive naturals, for example, 2266100 + ... + 2266121.
It is an arithmetic number, because the mean of its divisors is an integer number (13596666).
Almost surely, 249854431 is an apocalyptic number.
49854431 is a deficient number, since it is larger than the sum of its proper divisors (4532233).
49854431 is a wasteful number, since it uses less digits than its factorization.
49854431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4532232.
The product of its digits is 69120, while the sum is 38.
The square root of 49854431 is about 7060.7670263223. The cubic root of 49854431 is about 368.0452818216.
The spelling of 49854431 in words is "forty-nine million, eight hundred fifty-four thousand, four hundred thirty-one".
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