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1880140 = 22594007
BaseRepresentation
bin111001011000001001100
310112112001211
413023001030
5440131030
6104144204
721660313
oct7130114
93475054
101880140
111074639
12768064
1350aa12
1436d27a
1527212a
hex1cb04c

1880140 has 12 divisors (see below), whose sum is σ = 3948336. Its totient is φ = 752048.

The previous prime is 1880129. The next prime is 1880159. The reversal of 1880140 is 410881.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46984 + ... + 47023.

It is an arithmetic number, because the mean of its divisors is an integer number (329028).

21880140 is an apocalyptic number.

1880140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1880140 is an abundant number, since it is smaller than the sum of its proper divisors (2068196).

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

1880140 is a wasteful number, since it uses less digits than its factorization.

1880140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94016 (or 94014 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 22.

The square root of 1880140 is about 1371.1819718768. The cubic root of 1880140 is about 123.4231793994.

The spelling of 1880140 in words is "one million, eight hundred eighty thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 94007 188014 376028 470035 940070 1880140