Base | Representation |
---|---|
bin | 1011011101101… |
… | …0100011110110 |
3 | 10100110202221001 |
4 | 2313122203312 |
5 | 44302044032 |
6 | 4434313514 |
7 | 1122453154 |
oct | 267324366 |
9 | 110422831 |
10 | 48081142 |
11 | 2516008a |
12 | 1412889a |
13 | 9c65ba5 |
14 | 65583d4 |
15 | 434b3e7 |
hex | 2dda8f6 |
48081142 has 4 divisors (see below), whose sum is σ = 72121716. Its totient is φ = 24040570.
The previous prime is 48081127. The next prime is 48081149. The reversal of 48081142 is 24118084.
It is a semiprime because it is the product of two primes.
It is a super-3 number, since 3×480811423 (a number of 24 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 48081142.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (48081149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12020284 + ... + 12020287.
It is an arithmetic number, because the mean of its divisors is an integer number (18030429).
Almost surely, 248081142 is an apocalyptic number.
48081142 is a deficient number, since it is larger than the sum of its proper divisors (24040574).
48081142 is a wasteful number, since it uses less digits than its factorization.
48081142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 24040573.
The product of its (nonzero) digits is 2048, while the sum is 28.
The square root of 48081142 is about 6934.0566770109. The cubic root of 48081142 is about 363.6287877247.
The spelling of 48081142 in words is "forty-eight million, eighty-one thousand, one hundred forty-two".
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