Base | Representation |
---|---|
bin | 10001101011010… |
… | …01010011011110 |
3 | 101100000102122221 |
4 | 20311221103132 |
5 | 300424434132 |
6 | 22414055554 |
7 | 3450235534 |
oct | 1065512336 |
9 | 340012587 |
10 | 148280542 |
11 | 76778403 |
12 | 417aa5ba |
13 | 24949387 |
14 | 1599c154 |
15 | d03ee97 |
hex | 8d694de |
148280542 has 4 divisors (see below), whose sum is σ = 222420816. Its totient is φ = 74140270.
The previous prime is 148280537. The next prime is 148280543. The reversal of 148280542 is 245082841.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 245082841 = 71 ⋅3451871.
It is a junction number, because it is equal to n+sod(n) for n = 148280498 and 148280507.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (148280543) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37070134 + ... + 37070137.
It is an arithmetic number, because the mean of its divisors is an integer number (55605204).
Almost surely, 2148280542 is an apocalyptic number.
148280542 is a deficient number, since it is larger than the sum of its proper divisors (74140274).
148280542 is an equidigital number, since it uses as much as digits as its factorization.
148280542 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 74140273.
The product of its (nonzero) digits is 20480, while the sum is 34.
The square root of 148280542 is about 12177.0498069114. The cubic root of 148280542 is about 529.2912586642.
The spelling of 148280542 in words is "one hundred forty-eight million, two hundred eighty thousand, five hundred forty-two".
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