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3868474393 = 74612433
BaseRepresentation
bin1110011010010100…
…0011110000011001
3100222121012212020101
43212211003300121
530410312140033
61435510455401
7164602330000
oct34645036031
910877185211
103868474393
111705720083
128bb664561
134985c0704
14289ab7c37
1517994497d
hexe6943c19

3868474393 has 30 divisors (see below), whose sum is σ = 4598743422. Its totient is φ = 3253944960.

The previous prime is 3868474373. The next prime is 3868474411. The reversal of 3868474393 is 3934748683.

It can be written as a sum of positive squares in 3 ways, for example, as 682097689 + 3186376704 = 26117^2 + 56448^2 .

It is not a de Polignac number, because 3868474393 - 29 = 3868473881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3868474333) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 8933905 + ... + 8934337.

Almost surely, 23868474393 is an apocalyptic number.

It is an amenable number.

3868474393 is a deficient number, since it is larger than the sum of its proper divisors (730269029).

3868474393 is an frugal number, since it uses more digits than its factorization.

3868474393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583 (or 501 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 55.

The square root of 3868474393 is about 62197.0609675409. The cubic root of 3868474393 is about 1569.8081355055.

The spelling of 3868474393 in words is "three billion, eight hundred sixty-eight million, four hundred seventy-four thousand, three hundred ninety-three".

Divisors: 1 7 49 61 343 427 433 2401 2989 3031 3721 20923 21217 26047 26413 146461 148519 182329 184891 1039633 1276303 1294237 1611193 8934121 9059659 11278351 63417613 78948457 552639199 3868474393