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28241601 = 371913093
BaseRepresentation
bin110101110111…
…0111011000001
31222010211012020
41223232323001
524212212401
62445152053
7462023013
oct153567301
958124166
1028241601
1114a3a373
12955b629
135b0a80b
143a721b3
15272cd36
hex1aeeec1

28241601 has 8 divisors (see below), whose sum is σ = 37710720. Its totient is φ = 18800112.

The previous prime is 28241593. The next prime is 28241623. The reversal of 28241601 is 10614282.

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

It is not a de Polignac number, because 28241601 - 23 = 28241593 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28241671) 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, 4390 + ... + 8703.

It is an arithmetic number, because the mean of its divisors is an integer number (4713840).

Almost surely, 228241601 is an apocalyptic number.

It is an amenable number.

28241601 is a deficient number, since it is larger than the sum of its proper divisors (9469119).

28241601 is a wasteful number, since it uses less digits than its factorization.

28241601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13815.

The product of its (nonzero) digits is 768, while the sum is 24.

The square root of 28241601 is about 5314.2827361743. The cubic root of 28241601 is about 304.5297815733.

Adding to 28241601 its reverse (10614282), we get a palindrome (38855883).

The spelling of 28241601 in words is "twenty-eight million, two hundred forty-one thousand, six hundred one".

Divisors: 1 3 719 2157 13093 39279 9413867 28241601