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28446485 = 510753171
BaseRepresentation
bin110110010000…
…0111100010101
31222112020020112
41230200330111
524240241420
62453412405
7463535234
oct154407425
958466215
1028446485
111506a2a1
12963a105
135b7cb52
143ac6b1b
15276d8c5
hex1b20f15

28446485 has 8 divisors (see below), whose sum is σ = 34455456. Its totient is φ = 22544080.

The previous prime is 28446461. The next prime is 28446487. The reversal of 28446485 is 58464482.

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

It is not a de Polignac number, because 28446485 - 216 = 28380949 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28446487) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26051 + ... + 27120.

It is an arithmetic number, because the mean of its divisors is an integer number (4306932).

Almost surely, 228446485 is an apocalyptic number.

It is an amenable number.

28446485 is a deficient number, since it is larger than the sum of its proper divisors (6008971).

28446485 is a wasteful number, since it uses less digits than its factorization.

28446485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53283.

The product of its digits is 245760, while the sum is 41.

The square root of 28446485 is about 5333.5246319859. The cubic root of 28446485 is about 305.2644307137.

The spelling of 28446485 in words is "twenty-eight million, four hundred forty-six thousand, four hundred eighty-five".

Divisors: 1 5 107 535 53171 265855 5689297 28446485