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328894215 = 35131686637
BaseRepresentation
bin10011100110101…
…000011100000111
3211220212120001020
4103212220130013
51133144103330
652345202223
711102361156
oct2346503407
9756776036
10328894215
1115971a101
1292190373
13531a6680
143197559d
151dd1a210
hex139a8707

328894215 has 16 divisors (see below), whose sum is σ = 566710368. Its totient is φ = 161917056.

The previous prime is 328894213. The next prime is 328894219. The reversal of 328894215 is 512498823.

It is not a de Polignac number, because 328894215 - 21 = 328894213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328894213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 843124 + ... + 843513.

It is an arithmetic number, because the mean of its divisors is an integer number (35419398).

Almost surely, 2328894215 is an apocalyptic number.

328894215 is a deficient number, since it is larger than the sum of its proper divisors (237816153).

328894215 is a wasteful number, since it uses less digits than its factorization.

328894215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1686658.

The product of its digits is 138240, while the sum is 42.

The square root of 328894215 is about 18135.4408548565. The cubic root of 328894215 is about 690.2695963931.

The spelling of 328894215 in words is "three hundred twenty-eight million, eight hundred ninety-four thousand, two hundred fifteen".

Divisors: 1 3 5 13 15 39 65 195 1686637 5059911 8433185 21926281 25299555 65778843 109631405 328894215