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2056043520 = 210335107139
BaseRepresentation
bin111101010001100…
…1011110000000000
312022021210211111000
41322203023300000
513202321343040
6540004052000
7101644036656
oct17243136000
95267724430
102056043520
11965645a23
12494694000
13269c6a4cb
141570c6dd6
15c0783130
hex7a8cbc00

2056043520 has 352 divisors, whose sum is σ = 7428153600. Its totient is φ = 539246592.

The previous prime is 2056043519. The next prime is 2056043527. The reversal of 2056043520 is 253406502.

2056043520 is a `hidden beast` number, since 2 + 0 + 5 + 604 + 3 + 52 + 0 = 666.

It is a super-2 number, since 2×20560435202 = 8454629912267980800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2056043527) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 14791611 + ... + 14791749.

Almost surely, 22056043520 is an apocalyptic number.

2056043520 is a gapful number since it is divisible by the number (20) 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 2056043520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3714076800).

2056043520 is an abundant number, since it is smaller than the sum of its proper divisors (5372110080).

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

2056043520 is a wasteful number, since it uses less digits than its factorization.

2056043520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 2056043520 is about 45343.6160887065. The cubic root of 2056043520 is about 1271.5812078070.

The spelling of 2056043520 in words is "two billion, fifty-six million, forty-three thousand, five hundred twenty".