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2019056 = 241317571
BaseRepresentation
bin111101100111011110000
310210120121212
413230323300
51004102211
6111135252
723106314
oct7547360
93716555
102019056
111159a46
12814528
13559010
143a7b44
1529d38b
hex1ecef0

2019056 has 40 divisors (see below), whose sum is σ = 4468464. Its totient is φ = 875520.

The previous prime is 2019047. The next prime is 2019071. The reversal of 2019056 is 6509102.

It is a super-2 number, since 2×20190562 = 8153174262272, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 3251 + ... + 3821.

22019056 is an apocalyptic number.

2019056 is a gapful number since it is divisible by the number (26) 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 2019056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2234232).

2019056 is an abundant number, since it is smaller than the sum of its proper divisors (2449408).

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

2019056 is a wasteful number, since it uses less digits than its factorization.

2019056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 609 (or 603 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 2019056 is about 1420.9349035054. The cubic root of 2019056 is about 126.3909917203.

The spelling of 2019056 in words is "two million, nineteen thousand, fifty-six".

Divisors: 1 2 4 8 13 16 17 26 34 52 68 104 136 208 221 272 442 571 884 1142 1768 2284 3536 4568 7423 9136 9707 14846 19414 29692 38828 59384 77656 118768 126191 155312 252382 504764 1009528 2019056