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28532092 = 2225912753
BaseRepresentation
bin110110011010…
…1110101111100
31222200120200011
41230311311330
524301011332
62455313004
7464342641
oct154656574
958616604
1028532092
1115118646
12967b764
135bacac4
143b09dc8
152788e47
hex1b35d7c

28532092 has 12 divisors (see below), whose sum is σ = 49968576. Its totient is φ = 14255360.

The previous prime is 28532089. The next prime is 28532099. The reversal of 28532092 is 29023582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28532099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8988 + ... + 11740.

It is an arithmetic number, because the mean of its divisors is an integer number (4164048).

Almost surely, 228532092 is an apocalyptic number.

It is an amenable number.

28532092 is a deficient number, since it is larger than the sum of its proper divisors (21436484).

28532092 is a wasteful number, since it uses less digits than its factorization.

28532092 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5348 (or 5346 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 28532092 is about 5341.5439715498. The cubic root of 28532092 is about 305.5703455002.

The spelling of 28532092 in words is "twenty-eight million, five hundred thirty-two thousand, ninety-two".

Divisors: 1 2 4 2591 2753 5182 5506 10364 11012 7133023 14266046 28532092