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3903429897 = 321693256181
BaseRepresentation
bin1110100010101001…
…1001110100001001
3101002000222210011200
43220222121310021
530443234224042
61443200014413
7165505415043
oct35052316411
911060883150
103903429897
111723425724
1290b301409
134a290c143
142905b6a93
1517ca4bc4c
hexe8a99d09

3903429897 has 12 divisors (see below), whose sum is σ = 5641640004. Its totient is φ = 2600739360.

The previous prime is 3903429809. The next prime is 3903429919. The reversal of 3903429897 is 7989243093.

It can be written as a sum of positive squares in 2 ways, for example, as 2939699961 + 963729936 = 54219^2 + 31044^2 .

It is not a de Polignac number, because 3903429897 - 210 = 3903428873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3903429097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 112854 + ... + 143327.

It is an arithmetic number, because the mean of its divisors is an integer number (470136667).

Almost surely, 23903429897 is an apocalyptic number.

It is an amenable number.

3903429897 is a deficient number, since it is larger than the sum of its proper divisors (1738210107).

3903429897 is a wasteful number, since it uses less digits than its factorization.

3903429897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257880 (or 257877 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The square root of 3903429897 is about 62477.4351026032. The cubic root of 3903429897 is about 1574.5222230324.

The spelling of 3903429897 in words is "three billion, nine hundred three million, four hundred twenty-nine thousand, eight hundred ninety-seven".

Divisors: 1 3 9 1693 5079 15237 256181 768543 2305629 433714433 1301143299 3903429897