Base | Representation |
---|---|
bin | 111101010100… |
… | …0110000001010 |
3 | 2020111022102211 |
4 | 1322220300022 |
5 | 31212222430 |
6 | 3105015334 |
7 | 540154243 |
oct | 172506012 |
9 | 66438384 |
10 | 32148490 |
11 | 17168700 |
12 | a92454a |
13 | 6877b9a |
14 | 43abcca |
15 | 2c5072a |
hex | 1ea8c0a |
32148490 has 36 divisors (see below), whose sum is σ = 63998802. Its totient is φ = 11618640.
The previous prime is 32148481. The next prime is 32148499. The reversal of 32148490 is 9484123.
It is an interprime number because it is at equal distance from previous prime (32148481) and next prime (32148499).
It can be written as a sum of positive squares in only one way, i.e., 28933641 + 3214849 = 5379^2 + 1793^2 .
It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (32148499) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 197149 + ... + 197311.
Almost surely, 232148490 is an apocalyptic number.
32148490 is a deficient number, since it is larger than the sum of its proper divisors (31850312).
32148490 is a wasteful number, since it uses less digits than its factorization.
32148490 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 355 (or 181 counting only the distinct ones).
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 32148490 is about 5669.9638446819. The cubic root of 32148490 is about 317.9705219039.
The spelling of 32148490 in words is "thirty-two million, one hundred forty-eight thousand, four hundred ninety".
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