Base | Representation |
---|---|
bin | 1011101011101… |
… | …0100000011111 |
3 | 10102012101012201 |
4 | 2322322200133 |
5 | 100020422211 |
6 | 4510112331 |
7 | 1133323366 |
oct | 272724037 |
9 | 112171181 |
10 | 48998431 |
11 | 25727279 |
12 | 144ab6a7 |
13 | a1c7571 |
14 | 67167dd |
15 | 447d0c1 |
hex | 2eba81f |
48998431 has 4 divisors (see below), whose sum is σ = 49247352. Its totient is φ = 48749512.
The previous prime is 48998423. The next prime is 48998459. The reversal of 48998431 is 13489984.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 48998431 - 23 = 48998423 is a prime.
It is a super-2 number, since 2×489984312 = 4801692480923522, 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 (48995431) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124165 + ... + 124558.
It is an arithmetic number, because the mean of its divisors is an integer number (12311838).
Almost surely, 248998431 is an apocalyptic number.
48998431 is a deficient number, since it is larger than the sum of its proper divisors (248921).
48998431 is a wasteful number, since it uses less digits than its factorization.
48998431 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 248920.
The product of its digits is 248832, while the sum is 46.
The square root of 48998431 is about 6999.8879276743. The cubic root of 48998431 is about 365.9266652119.
The spelling of 48998431 in words is "forty-eight million, nine hundred ninety-eight thousand, four hundred thirty-one".
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