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431424849 = 3197568857
BaseRepresentation
bin11001101101110…
…000010101010001
31010001210122122010
4121231300111101
51340421043344
6110450533133
713456023252
oct3155602521
91101718563
10431424849
11201589969
121005971a9
136b4c4c9b
1441424b29
1527d1e8b9
hex19b70551

431424849 has 8 divisors (see below), whose sum is σ = 605508640. Its totient is φ = 272478816.

The previous prime is 431424803. The next prime is 431424871. The reversal of 431424849 is 948424134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 431424849 - 224 = 414647633 is a prime.

It is a super-2 number, since 2×4314248492 = 372254800669345602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (431424899) 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, 3784372 + ... + 3784485.

It is an arithmetic number, because the mean of its divisors is an integer number (75688580).

Almost surely, 2431424849 is an apocalyptic number.

It is an amenable number.

431424849 is a deficient number, since it is larger than the sum of its proper divisors (174083791).

431424849 is a wasteful number, since it uses less digits than its factorization.

431424849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7568879.

The product of its digits is 110592, while the sum is 39.

The square root of 431424849 is about 20770.7690998672. The cubic root of 431424849 is about 755.6169972149.

The spelling of 431424849 in words is "four hundred thirty-one million, four hundred twenty-four thousand, eight hundred forty-nine".

Divisors: 1 3 19 57 7568857 22706571 143808283 431424849