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28435060 = 2253145863
BaseRepresentation
bin110110001111…
…0001001110100
31222111122120101
41230132021310
524234410220
62453243444
7463460023
oct154361164
958448511
1028435060
1115061755
129633584
135b778a4
143ac28ba
15276a30a
hex1b1e274

28435060 has 24 divisors (see below), whose sum is σ = 61641216. Its totient is φ = 11006880.

The previous prime is 28435027. The next prime is 28435073. The reversal of 28435060 is 6053482.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22312 + ... + 23551.

It is an arithmetic number, because the mean of its divisors is an integer number (2568384).

Almost surely, 228435060 is an apocalyptic number.

28435060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28435060 is an abundant number, since it is smaller than the sum of its proper divisors (33206156).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28435060 is a wasteful number, since it uses less digits than its factorization.

28435060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45903 (or 45901 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 28435060 is about 5332.4534690891. The cubic root of 28435060 is about 305.2235573200.

It can be divided in two parts, 284 and 35060, that added together give a square (35344 = 1882).

The spelling of 28435060 in words is "twenty-eight million, four hundred thirty-five thousand, sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 45863 91726 183452 229315 458630 917260 1421753 2843506 5687012 7108765 14217530 28435060