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1880216 = 2313101179
BaseRepresentation
bin111001011000010011000
310112112011122
413023002120
5440131331
6104144412
721660452
oct7130230
93475148
101880216
1110746a8
12768108
1350aa70
1436d2d2
1527217b
hex1cb098

1880216 has 32 divisors (see below), whose sum is σ = 3855600. Its totient is φ = 854400.

The previous prime is 1880209. The next prime is 1880233. The reversal of 1880216 is 6120881.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10415 + ... + 10593.

21880216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1880216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1927800).

1880216 is an abundant number, since it is smaller than the sum of its proper divisors (1975384).

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

1880216 is a wasteful number, since it uses less digits than its factorization.

1880216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 26.

The square root of 1880216 is about 1371.2096849133. The cubic root of 1880216 is about 123.4248424024.

The spelling of 1880216 in words is "one million, eight hundred eighty thousand, two hundred sixteen".

Divisors: 1 2 4 8 13 26 52 101 104 179 202 358 404 716 808 1313 1432 2327 2626 4654 5252 9308 10504 18079 18616 36158 72316 144632 235027 470054 940108 1880216