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2055140 = 225211487
BaseRepresentation
bin111110101101111100100
310212102010022
413311233210
51011231030
6112014312
723316443
oct7655744
93772108
102055140
11118406a
12831398
1356c579
143b6d5a
152a8de5
hex1f5be4

2055140 has 24 divisors (see below), whose sum is σ = 4345152. Its totient is φ = 816480.

The previous prime is 2055133. The next prime is 2055187. The reversal of 2055140 is 415502.

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, 3977 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (181048).

22055140 is an apocalyptic number.

2055140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055140 is an abundant number, since it is smaller than the sum of its proper divisors (2290012).

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

2055140 is a wasteful number, since it uses less digits than its factorization.

2055140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 705 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 2055140 is about 1433.5759484590. The cubic root of 2055140 is about 127.1394916778.

The spelling of 2055140 in words is "two million, fifty-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 211 422 487 844 974 1055 1948 2110 2435 4220 4870 9740 102757 205514 411028 513785 1027570 2055140