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1329288 = 23397571
BaseRepresentation
bin101000100100010001000
32111112102220
411010202020
5320014123
644254040
714204322
oct5044210
92445386
101329288
11828794
12541320
1337707c
14268612
151b3ce3
hex144888

1329288 has 32 divisors (see below), whose sum is σ = 3363360. Its totient is φ = 437760.

The previous prime is 1329287. The next prime is 1329313. The reversal of 1329288 is 8829231.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (1329283) 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, 2043 + ... + 2613.

It is an arithmetic number, because the mean of its divisors is an integer number (105105).

21329288 is an apocalyptic number.

It is an amenable number.

1329288 is an abundant number, since it is smaller than the sum of its proper divisors (2034072).

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

1329288 is a wasteful number, since it uses less digits than its factorization.

1329288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 673 counting only the distinct ones).

The product of its digits is 6912, while the sum is 33.

The square root of 1329288 is about 1152.9475269933. The cubic root of 1329288 is about 109.9528172302.

The spelling of 1329288 in words is "one million, three hundred twenty-nine thousand, two hundred eighty-eight".

Divisors: 1 2 3 4 6 8 12 24 97 194 291 388 571 582 776 1142 1164 1713 2284 2328 3426 4568 6852 13704 55387 110774 166161 221548 332322 443096 664644 1329288