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28320482 = 224415801
BaseRepresentation
bin110110000001…
…0001011100010
31222021211101202
41230002023202
524222223412
62451001202
7462502001
oct154021342
958254352
1028320482
1114a93663
129599202
135b376a8
143a92c38
1527463c2
hex1b022e2

28320482 has 8 divisors (see below), whose sum is σ = 42505452. Its totient is φ = 14152000.

The previous prime is 28320449. The next prime is 28320493. The reversal of 28320482 is 28402382.

It can be written as a sum of positive squares in 2 ways, for example, as 28079401 + 241081 = 5299^2 + 491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1982 + ... + 7782.

Almost surely, 228320482 is an apocalyptic number.

28320482 is a deficient number, since it is larger than the sum of its proper divisors (14184970).

28320482 is a wasteful number, since it uses less digits than its factorization.

28320482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8244.

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 28320482 is about 5321.6991647405. The cubic root of 28320482 is about 304.8130431772.

The spelling of 28320482 in words is "twenty-eight million, three hundred twenty thousand, four hundred eighty-two".

Divisors: 1 2 2441 4882 5801 11602 14160241 28320482