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2053720 = 23551343
BaseRepresentation
bin111110101011001011000
310212100011201
413311121120
51011204340
6112003544
723312344
oct7653130
93770151
102053720
111182a99
128305b4
1356ba26
143b6624
152a879a
hex1f5658

2053720 has 16 divisors (see below), whose sum is σ = 4620960. Its totient is φ = 821472.

The previous prime is 2053703. The next prime is 2053721. The reversal of 2053720 is 273502.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2053721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25632 + ... + 25711.

It is an arithmetic number, because the mean of its divisors is an integer number (288810).

22053720 is an apocalyptic number.

2053720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2053720 is an abundant number, since it is smaller than the sum of its proper divisors (2567240).

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

2053720 is a wasteful number, since it uses less digits than its factorization.

2053720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51354 (or 51350 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 2053720 is about 1433.0805978730. The cubic root of 2053720 is about 127.1102025661.

The spelling of 2053720 in words is "two million, fifty-three thousand, seven hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 51343 102686 205372 256715 410744 513430 1026860 2053720