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2053580 = 225102679
BaseRepresentation
bin111110101010111001100
310212022222112
413311113030
51011203310
6112003152
723312054
oct7652714
93768875
102053580
111182981
128304b8
1356b949
143b6564
152a8705
hex1f55cc

2053580 has 12 divisors (see below), whose sum is σ = 4312560. Its totient is φ = 821424.

The previous prime is 2053573. The next prime is 2053603. The reversal of 2053580 is 853502.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51320 + ... + 51359.

It is an arithmetic number, because the mean of its divisors is an integer number (359380).

22053580 is an apocalyptic number.

2053580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053580 is an abundant number, since it is smaller than the sum of its proper divisors (2258980).

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

2053580 is a wasteful number, since it uses less digits than its factorization.

2053580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102688 (or 102686 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 2053580 is about 1433.0317512184. The cubic root of 2053580 is about 127.1073141762.

The spelling of 2053580 in words is "two million, fifty-three thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 102679 205358 410716 513395 1026790 2053580