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327447380 = 225131259413
BaseRepresentation
bin10011100001000…
…111001101010100
3211211011001100202
4103201013031110
51132311304010
652254200032
711054154041
oct2341071524
9754131322
10327447380
11158921077
12917b3018
1352abac60
14316ba1c8
151db316a5
hex13847354

327447380 has 24 divisors (see below), whose sum is σ = 740535432. Its totient is φ = 120903552.

The previous prime is 327447371. The next prime is 327447391. The reversal of 327447380 is 83744723.

It can be written as a sum of positive squares in 4 ways, for example, as 74891716 + 252555664 = 8654^2 + 15892^2 .

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 629447 + ... + 629966.

It is an arithmetic number, because the mean of its divisors is an integer number (30855643).

Almost surely, 2327447380 is an apocalyptic number.

It is an amenable number.

327447380 is an abundant number, since it is smaller than the sum of its proper divisors (413088052).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

327447380 is a wasteful number, since it uses less digits than its factorization.

327447380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1259435 (or 1259433 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 38.

The square root of 327447380 is about 18095.5071771973. The cubic root of 327447380 is about 689.2559226733.

The spelling of 327447380 in words is "three hundred twenty-seven million, four hundred forty-seven thousand, three hundred eighty".

Divisors: 1 2 4 5 10 13 20 26 52 65 130 260 1259413 2518826 5037652 6297065 12594130 16372369 25188260 32744738 65489476 81861845 163723690 327447380