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2055940 = 225102797
BaseRepresentation
bin111110101111100000100
310212110012221
413311330010
51011242230
6112022124
723321665
oct7657404
93773187
102055940
111184727
12831944
1356ca43
143b736c
152a927a
hex1f5f04

2055940 has 12 divisors (see below), whose sum is σ = 4317516. Its totient is φ = 822368.

The previous prime is 2055917. The next prime is 2055953. The reversal of 2055940 is 495502.

It can be written as a sum of positive squares in 2 ways, for example, as 498436 + 1557504 = 706^2 + 1248^2 .

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, 51379 + ... + 51418.

It is an arithmetic number, because the mean of its divisors is an integer number (359793).

22055940 is an apocalyptic number.

2055940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055940 is an abundant number, since it is smaller than the sum of its proper divisors (2261576).

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

2055940 is a wasteful number, since it uses less digits than its factorization.

2055940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102806 (or 102804 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 2055940 is about 1433.8549438489. The cubic root of 2055940 is about 127.1559866447.

The spelling of 2055940 in words is "two million, fifty-five thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 102797 205594 411188 513985 1027970 2055940