Base | Representation |
---|---|
bin | 1011100111111… |
… | …1111010011111 |
3 | 10101202011222211 |
4 | 2321333322133 |
5 | 44440232211 |
6 | 4501021251 |
7 | 1131303601 |
oct | 271777237 |
9 | 111664884 |
10 | 48758431 |
11 | 25582a27 |
12 | 143b4827 |
13 | a142257 |
14 | 6693171 |
15 | 4431e21 |
hex | 2e7fe9f |
48758431 has 8 divisors (see below), whose sum is σ = 52827984. Its totient is φ = 44822400.
The previous prime is 48758429. The next prime is 48758453. The reversal of 48758431 is 13485784.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 48758431 - 21 = 48758429 is a prime.
It is a super-4 number, since 4×487584314 (a number of 32 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48758401) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32620 + ... + 34081.
It is an arithmetic number, because the mean of its divisors is an integer number (6603498).
Almost surely, 248758431 is an apocalyptic number.
48758431 is a deficient number, since it is larger than the sum of its proper divisors (4069553).
48758431 is a wasteful number, since it uses less digits than its factorization.
48758431 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 66761.
The product of its digits is 107520, while the sum is 40.
The square root of 48758431 is about 6982.7237522331. The cubic root of 48758431 is about 365.3282366675.
The spelling of 48758431 in words is "forty-eight million, seven hundred fifty-eight thousand, four hundred thirty-one".
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