Base | Representation |
---|---|
bin | 10000111111000… |
… | …11001000001010 |
3 | 100221010010220002 |
4 | 20133203020022 |
5 | 242434104244 |
6 | 22050003002 |
7 | 3350062061 |
oct | 1037431012 |
9 | 327103802 |
10 | 142488074 |
11 | 73481443 |
12 | 3b876462 |
13 | 2369b991 |
14 | 14cd11d8 |
15 | c798a4e |
hex | 87e320a |
142488074 has 8 divisors (see below), whose sum is σ = 215012448. Its totient is φ = 70817260.
The previous prime is 142488023. The next prime is 142488077. The reversal of 142488074 is 470884241.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (142488077) 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, 212972 + ... + 213639.
It is an arithmetic number, because the mean of its divisors is an integer number (26876556).
Almost surely, 2142488074 is an apocalyptic number.
142488074 is a deficient number, since it is larger than the sum of its proper divisors (72524374).
142488074 is a wasteful number, since it uses less digits than its factorization.
142488074 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 426780.
The product of its (nonzero) digits is 57344, while the sum is 38.
The square root of 142488074 is about 11936.8368506904. The cubic root of 142488074 is about 522.3073917491.
It can be divided in two parts, 14248 and 8074, that added together give a palindrome (22322).
The spelling of 142488074 in words is "one hundred forty-two million, four hundred eighty-eight thousand, seventy-four".
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