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3420424431 = 32380047159
BaseRepresentation
bin1100101111011111…
…1000100011101111
322211101010120020100
43023313320203233
524001112040211
61323223322143
7150522061614
oct31367704357
98741116210
103420424431
1114a5816556
127b55b0353
134268274a8
142463a650b
1515043e156
hexcbdf88ef

3420424431 has 6 divisors (see below), whose sum is σ = 4940613080. Its totient is φ = 2280282948.

The previous prime is 3420424421. The next prime is 3420424453. The reversal of 3420424431 is 1344240243.

It is a happy number.

3420424431 is a `hidden beast` number, since 3 + 4 + 204 + 24 + 431 = 666.

It is not a de Polignac number, because 3420424431 - 218 = 3420162287 is a prime.

It is a super-2 number, since 2×34204244312 = 23398606576363347522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3420424395 and 3420424404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420424421) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 190023571 + ... + 190023588.

Almost surely, 23420424431 is an apocalyptic number.

3420424431 is a deficient number, since it is larger than the sum of its proper divisors (1520188649).

3420424431 is a wasteful number, since it uses less digits than its factorization.

3420424431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380047165 (or 380047162 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 3420424431 is about 58484.3947647575. The cubic root of 3420424431 is about 1506.6995778884.

Adding to 3420424431 its reverse (1344240243), we get a palindrome (4764664674).

The spelling of 3420424431 in words is "three billion, four hundred twenty million, four hundred twenty-four thousand, four hundred thirty-one".

Divisors: 1 3 9 380047159 1140141477 3420424431