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28482288 = 243593381
BaseRepresentation
bin110110010100…
…1101011110000
31222121001100120
41230221223300
524242413123
62454250240
7464044512
oct154515360
958531316
1028482288
111509418a
129656980
135b93233
143ad5bb2
1527792e3
hex1b29af0

28482288 has 20 divisors (see below), whose sum is σ = 73579368. Its totient is φ = 9494080.

The previous prime is 28482283. The next prime is 28482299. The reversal of 28482288 is 88228482.

It is a super-2 number, since 2×284822882 = 1622481459429888, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28482283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 296643 + ... + 296738.

Almost surely, 228482288 is an apocalyptic number.

It is an amenable number.

28482288 is an abundant number, since it is smaller than the sum of its proper divisors (45097080).

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

28482288 is a wasteful number, since it uses less digits than its factorization.

28482288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593392 (or 593386 counting only the distinct ones).

The product of its digits is 131072, while the sum is 42.

The square root of 28482288 is about 5336.8799874084. The cubic root of 28482288 is about 305.3924465340.

The spelling of 28482288 in words is "twenty-eight million, four hundred eighty-two thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 593381 1186762 1780143 2373524 3560286 4747048 7120572 9494096 14241144 28482288