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6328431 = 321096451
BaseRepresentation
bin11000001001000001101111
3102220111222100
4120021001233
53110002211
6343350143
7104535144
oct30110157
912814870
106328431
11363270a
122152353
131407645
14baa3cb
15850156
hex60906f

6328431 has 12 divisors (see below), whose sum is σ = 9226360. Its totient is φ = 4179600.

The previous prime is 6328411. The next prime is 6328459. The reversal of 6328431 is 1348236.

It is a happy number.

It is not a de Polignac number, because 6328431 - 26 = 6328367 is a prime.

It is a super-2 number, since 2×63284312 = 80098077843522, 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 = 6328395 and 6328404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6328411) 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, 2245 + ... + 4206.

Almost surely, 26328431 is an apocalyptic number.

6328431 is a deficient number, since it is larger than the sum of its proper divisors (2897929).

6328431 is a wasteful number, since it uses less digits than its factorization.

6328431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6566 (or 6563 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 6328431 is about 2515.6372950010. The cubic root of 6328431 is about 184.9688869031.

The spelling of 6328431 in words is "six million, three hundred twenty-eight thousand, four hundred thirty-one".

Divisors: 1 3 9 109 327 981 6451 19353 58059 703159 2109477 6328431