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1880801 = 13231359
BaseRepresentation
bin111001011001011100001
310112112222022
413023023201
5440141201
6104151225
721662246
oct7131341
93475868
101880801
11107508a
12768515
1350b100
1436d5cd
1527241b
hex1cb2e1

1880801 has 12 divisors (see below), whose sum is σ = 2108160. Its totient is φ = 1675440.

The previous prime is 1880789. The next prime is 1880803. The reversal of 1880801 is 1080881.

It is not a de Polignac number, because 1880801 - 214 = 1864417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1880803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5060 + ... + 5418.

It is an arithmetic number, because the mean of its divisors is an integer number (175680).

21880801 is an apocalyptic number.

It is an amenable number.

1880801 is a deficient number, since it is larger than the sum of its proper divisors (227359).

1880801 is a wasteful number, since it uses less digits than its factorization.

1880801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 26.

The square root of 1880801 is about 1371.4229836196. The cubic root of 1880801 is about 123.4376416491.

The spelling of 1880801 in words is "one million, eight hundred eighty thousand, eight hundred one".

Divisors: 1 13 31 169 359 403 4667 5239 11129 60671 144677 1880801