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2005550304 = 25320891149
BaseRepresentation
bin111011110001010…
…0100010011100000
312011202210111210220
41313202210103200
513101410102204
6531001523040
7100461616302
oct16742442340
95152714726
102005550304
1193a09869a
1247b7a3480
1325c66b774
14150501972
15bb10c1d9
hex778a44e0

2005550304 has 24 divisors (see below), whose sum is σ = 5264569800. Its totient is φ = 668516736.

The previous prime is 2005550293. The next prime is 2005550321. The reversal of 2005550304 is 4030555002.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10445479 + ... + 10445670.

It is an arithmetic number, because the mean of its divisors is an integer number (219357075).

Almost surely, 22005550304 is an apocalyptic number.

2005550304 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2005550304 is an abundant number, since it is smaller than the sum of its proper divisors (3259019496).

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

2005550304 is a wasteful number, since it uses less digits than its factorization.

2005550304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20891162 (or 20891154 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 24.

The square root of 2005550304 is about 44783.3708423115. The cubic root of 2005550304 is about 1261.0854642231.

The spelling of 2005550304 in words is "two billion, five million, five hundred fifty thousand, three hundred four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 20891149 41782298 62673447 83564596 125346894 167129192 250693788 334258384 501387576 668516768 1002775152 2005550304