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2005204354 = 22389489791
BaseRepresentation
bin111011110000100…
…1111110110000010
312011202010221020221
41313201033312002
513101313014404
6530550253254
7100455645556
oct16741176602
95152127227
102005204354
1193998178a
1247b65722a
1325c57a16a
14150451866
15bb08e954
hex7784fd82

2005204354 has 16 divisors (see below), whose sum is σ = 3173852160. Its totient is φ = 948233440.

The previous prime is 2005204351. The next prime is 2005204367. The reversal of 2005204354 is 4534025002.

It is not an unprimeable number, because it can be changed into a prime (2005204351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 240802 + ... + 248989.

It is an arithmetic number, because the mean of its divisors is an integer number (198365760).

Almost surely, 22005204354 is an apocalyptic number.

2005204354 is a deficient number, since it is larger than the sum of its proper divisors (1168647806).

2005204354 is a wasteful number, since it uses less digits than its factorization.

2005204354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489905.

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2005204354 is about 44779.5081929224. The cubic root of 2005204354 is about 1261.0129491960.

Adding to 2005204354 its reverse (4534025002), we get a palindrome (6539229356).

The spelling of 2005204354 in words is "two billion, five million, two hundred four thousand, three hundred fifty-four".

Divisors: 1 2 23 46 89 178 2047 4094 489791 979582 11265193 22530386 43591399 87182798 1002602177 2005204354