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1328601 = 317109239
BaseRepresentation
bin101000100010111011001
32111111111110
411010113121
5320003401
644250533
714202321
oct5042731
92444443
101328601
1182821a
12540a49
13376971
14268281
151b39d6
hex1445d9

1328601 has 16 divisors (see below), whose sum is σ = 1900800. Its totient is φ = 822528.

The previous prime is 1328573. The next prime is 1328603. The reversal of 1328601 is 1068231.

It is not a de Polignac number, because 1328601 - 27 = 1328473 is a prime.

It is a Curzon number.

It is a nialpdrome in base 3.

It is not an unprimeable number, because it can be changed into a prime (1328603) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5440 + ... + 5678.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

21328601 is an apocalyptic number.

It is an amenable number.

1328601 is a deficient number, since it is larger than the sum of its proper divisors (572199).

1328601 is a wasteful number, since it uses less digits than its factorization.

1328601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 1328601 is about 1152.6495564568. The cubic root of 1328601 is about 109.9338721001.

The spelling of 1328601 in words is "one million, three hundred twenty-eight thousand, six hundred one".

Divisors: 1 3 17 51 109 239 327 717 1853 4063 5559 12189 26051 78153 442867 1328601