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3205020472 = 2317191240333
BaseRepresentation
bin1011111100001000…
…1011101100111000
322021100210220112221
42333002023230320
523030441123342
61250010413424
7142265140003
oct27702135470
98240726487
103205020472
1113a5172355
12755431274
133c1008a24
1422593453a
1513b590a67
hexbf08bb38

3205020472 has 32 divisors (see below), whose sum is σ = 6697803600. Its totient is φ = 1428862464.

The previous prime is 3205020461. The next prime is 3205020487. The reversal of 3205020472 is 2740205023.

It is a congruent number.

It is an unprimeable number.

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, 617583 + ... + 622750.

Almost surely, 23205020472 is an apocalyptic number.

It is an amenable number.

3205020472 is an abundant number, since it is smaller than the sum of its proper divisors (3492783128).

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

3205020472 is a wasteful number, since it uses less digits than its factorization.

3205020472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240375 (or 1240371 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 3205020472 is about 56612.9002260086. The cubic root of 3205020472 is about 1474.3828458250.

Adding to 3205020472 its reverse (2740205023), we get a palindrome (5945225495).

The spelling of 3205020472 in words is "three billion, two hundred five million, twenty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 17 19 34 38 68 76 136 152 323 646 1292 2584 1240333 2480666 4961332 9922664 21085661 23566327 42171322 47132654 84342644 94265308 168685288 188530616 400627559 801255118 1602510236 3205020472