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1028964 = 223194513
BaseRepresentation
bin11111011001101100100
31221021110210
43323031210
5230411324
634015420
711513616
oct3731544
91837423
101028964
11643092
12417570
132a0471
141cadb6
15154d29
hexfb364

1028964 has 24 divisors (see below), whose sum is σ = 2527840. Its totient is φ = 324864.

The previous prime is 1028957. The next prime is 1028969. The reversal of 1028964 is 4698201.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1028969) 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, 2029 + ... + 2484.

21028964 is an apocalyptic number.

It is an amenable number.

1028964 is an abundant number, since it is smaller than the sum of its proper divisors (1498876).

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

1028964 is a wasteful number, since it uses less digits than its factorization.

1028964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4539 (or 4537 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 1028964 is about 1014.3786275351. The cubic root of 1028964 is about 100.9562925612.

The spelling of 1028964 in words is "one million, twenty-eight thousand, nine hundred sixty-four".

Divisors: 1 2 3 4 6 12 19 38 57 76 114 228 4513 9026 13539 18052 27078 54156 85747 171494 257241 342988 514482 1028964