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327431 = 1389283
BaseRepresentation
bin1001111111100000111
3121122011002
41033330013
540434211
611003515
72532416
oct1177407
9548132
10327431
11204005
1213959b
13b6060
148747d
156703b
hex4ff07

327431 has 8 divisors (see below), whose sum is σ = 357840. Its totient is φ = 297792.

The previous prime is 327421. The next prime is 327433. The reversal of 327431 is 134723.

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

It is a cyclic number.

It is not a de Polignac number, because 327431 - 218 = 65287 is a prime.

It is a super-2 number, since 2×3274312 = 214422119522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (327433) 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, 1016 + ... + 1298.

It is an arithmetic number, because the mean of its divisors is an integer number (44730).

2327431 is an apocalyptic number.

327431 is a deficient number, since it is larger than the sum of its proper divisors (30409).

327431 is a wasteful number, since it uses less digits than its factorization.

327431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 385.

The product of its digits is 504, while the sum is 20.

The square root of 327431 is about 572.2158683574. The cubic root of 327431 is about 68.9244429529.

The spelling of 327431 in words is "three hundred twenty-seven thousand, four hundred thirty-one".

Divisors: 1 13 89 283 1157 3679 25187 327431