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164220363 = 3219960353
BaseRepresentation
bin10011100100111…
…00110111001011
3102110000020222200
421302130313023
5314020022423
624143451243
74032564366
oct1162346713
9373006880
10164220363
118477520a
1246bb6b23
132803a718
1417b4b0dd
15e63cd43
hex9c9cdcb

164220363 has 12 divisors (see below), whose sum is σ = 249692040. Its totient is φ = 103718016.

The previous prime is 164220313. The next prime is 164220377. The reversal of 164220363 is 363022461.

It is not a de Polignac number, because 164220363 - 28 = 164220107 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164220313) 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, 480006 + ... + 480347.

It is an arithmetic number, because the mean of its divisors is an integer number (20807670).

Almost surely, 2164220363 is an apocalyptic number.

164220363 is a deficient number, since it is larger than the sum of its proper divisors (85471677).

164220363 is a wasteful number, since it uses less digits than its factorization.

164220363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960378 (or 960375 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 164220363 is about 12814.8493163205. The cubic root of 164220363 is about 547.6154207151.

The spelling of 164220363 in words is "one hundred sixty-four million, two hundred twenty thousand, three hundred sixty-three".

Divisors: 1 3 9 19 57 171 960353 2881059 8643177 18246707 54740121 164220363