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4055560 = 235531913
BaseRepresentation
bin1111011110001000001000
321122001011221
433132020020
52014234220
6222531424
746320535
oct17361010
97561157
104055560
112320003
121436b74
13abcc52
14777d8c
155519aa
hex3de208

4055560 has 32 divisors (see below), whose sum is σ = 9302040. Its totient is φ = 1590784.

The previous prime is 4055551. The next prime is 4055561. The reversal of 4055560 is 655504.

It can be written as a sum of positive squares in 4 ways, for example, as 3976036 + 79524 = 1994^2 + 282^2 .

It is not an unprimeable number, because it can be changed into a prime (4055561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164 + ... + 3076.

Almost surely, 24055560 is an apocalyptic number.

4055560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4055560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4651020).

4055560 is an abundant number, since it is smaller than the sum of its proper divisors (5246480).

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

4055560 is a wasteful number, since it uses less digits than its factorization.

4055560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1977 (or 1973 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 4055560 is about 2013.8420990733. The cubic root of 4055560 is about 159.4716950064.

The spelling of 4055560 in words is "four million, fifty-five thousand, five hundred sixty".

Divisors: 1 2 4 5 8 10 20 40 53 106 212 265 424 530 1060 1913 2120 3826 7652 9565 15304 19130 38260 76520 101389 202778 405556 506945 811112 1013890 2027780 4055560