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2005224992 = 25269281829
BaseRepresentation
bin111011110000101…
…0100111000100000
312011202011222120022
41313201110320200
513101314144432
6530550533012
7100456063001
oct16741247040
95152158508
102005224992
11939996241
1247b667168
1325c586684
141504591a8
15bb095b12
hex77854e20

2005224992 has 48 divisors (see below), whose sum is σ = 3981360600. Its totient is φ = 994129920.

The previous prime is 2005224973. The next prime is 2005224997. The reversal of 2005224992 is 2994225002.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1496451856 + 508773136 = 38684^2 + 22556^2 .

It is not an unprimeable number, because it can be changed into a prime (2005224997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2418434 + ... + 2419262.

Almost surely, 22005224992 is an apocalyptic number.

It is an amenable number.

2005224992 is a deficient number, since it is larger than the sum of its proper divisors (1976135608).

2005224992 is a wasteful number, since it uses less digits than its factorization.

2005224992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1389 (or 1381 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2005224992 is about 44779.7386325557. The cubic root of 2005224992 is about 1261.0172753878.

Adding to 2005224992 its reverse (2994225002), we get a palindrome (4999449994).

The spelling of 2005224992 in words is "two billion, five million, two hundred twenty-four thousand, nine hundred ninety-two".

Divisors: 1 2 4 8 16 32 269 281 538 562 829 1076 1124 1658 2152 2248 3316 4304 4496 6632 8608 8992 13264 26528 75589 151178 223001 232949 302356 446002 465898 604712 892004 931796 1209424 1784008 1863592 2418848 3568016 3727184 7136032 7454368 62663281 125326562 250653124 501306248 1002612496 2005224992