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28435841 = 79741879
BaseRepresentation
bin110110001111…
…0010110000001
31222111200122022
41230132112001
524234421331
62453251225
7463462220
oct154362601
958450568
1028435841
11150622a5
129633b15
135b78055
143ac2cb7
15276a67b
hex1b1e581

28435841 has 8 divisors (see below), whose sum is σ = 32833920. Its totient is φ = 24121728.

The previous prime is 28435819. The next prime is 28435853. The reversal of 28435841 is 14853482.

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

It is a cyclic number.

It is not a de Polignac number, because 28435841 - 210 = 28434817 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28435801) 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, 20261 + ... + 21618.

It is an arithmetic number, because the mean of its divisors is an integer number (4104240).

Almost surely, 228435841 is an apocalyptic number.

It is an amenable number.

28435841 is a deficient number, since it is larger than the sum of its proper divisors (4398079).

28435841 is an equidigital number, since it uses as much as digits as its factorization.

28435841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41983.

The product of its digits is 30720, while the sum is 35.

The square root of 28435841 is about 5332.5266994175. The cubic root of 28435841 is about 305.2263517272.

The spelling of 28435841 in words is "twenty-eight million, four hundred thirty-five thousand, eight hundred forty-one".

Divisors: 1 7 97 679 41879 293153 4062263 28435841