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328131310 = 25132524087
BaseRepresentation
bin10011100011101…
…110001011101110
3211212102210112111
4103203232023232
51133000200220
652320554234
711063033023
oct2343561356
9755383474
10328131310
11159248a01
1291a8297a
1352c9a350
143181754a
151dc1915a
hex138ee2ee

328131310 has 16 divisors (see below), whose sum is σ = 636070176. Its totient is φ = 121156128.

The previous prime is 328131301. The next prime is 328131313. The reversal of 328131310 is 13131823.

It is a super-2 number, since 2×3281313102 = 215340313204632200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328131313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261914 + ... + 1262173.

It is an arithmetic number, because the mean of its divisors is an integer number (39754386).

Almost surely, 2328131310 is an apocalyptic number.

328131310 is a deficient number, since it is larger than the sum of its proper divisors (307938866).

328131310 is a wasteful number, since it uses less digits than its factorization.

328131310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2524107.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 328131310 is about 18114.3951044466. The cubic root of 328131310 is about 689.7354653524.

The spelling of 328131310 in words is "three hundred twenty-eight million, one hundred thirty-one thousand, three hundred ten".

Divisors: 1 2 5 10 13 26 65 130 2524087 5048174 12620435 25240870 32813131 65626262 164065655 328131310