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1028532 = 22385711
BaseRepresentation
bin11111011000110110100
31221020212210
43323012310
5230403112
634013420
711512431
oct3730664
91836783
101028532
1164282a
12417270
132a01cb
141cab88
15154b3c
hexfb1b4

1028532 has 12 divisors (see below), whose sum is σ = 2399936. Its totient is φ = 342840.

The previous prime is 1028509. The next prime is 1028557. The reversal of 1028532 is 2358201.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 1028499 and 1028508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42844 + ... + 42867.

21028532 is an apocalyptic number.

1028532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1028532 is an abundant number, since it is smaller than the sum of its proper divisors (1371404).

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

1028532 is a wasteful number, since it uses less digits than its factorization.

1028532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85718 (or 85716 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 21.

The square root of 1028532 is about 1014.1656669401. The cubic root of 1028532 is about 100.9421620949.

The spelling of 1028532 in words is "one million, twenty-eight thousand, five hundred thirty-two".

Divisors: 1 2 3 4 6 12 85711 171422 257133 342844 514266 1028532