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164014281 = 336074603
BaseRepresentation
bin10011100011010…
…10100011001001
3102102121210022000
421301222203021
5313441424111
624135221213
74031045514
oct1161524311
9372553260
10164014281
11846443a2
1246b17809
1327c97992
1417ad5d7b
15e5ebc56
hex9c6a8c9

164014281 has 8 divisors (see below), whose sum is σ = 242984160. Its totient is φ = 109342836.

The previous prime is 164014271. The next prime is 164014307. The reversal of 164014281 is 182410461.

It is a happy number.

164014281 is a `hidden beast` number, since 1 + 640 + 14 + 2 + 8 + 1 = 666.

It is not a de Polignac number, because 164014281 - 210 = 164013257 is a prime.

It is a super-2 number, since 2×1640142812 = 53801368743893922, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 6074603 = 164014281 / (1 + 6 + 4 + 0 + 1 + 4 + 2 + 8 + 1).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (164014231) by changing a digit.

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, 3037275 + ... + 3037328.

It is an arithmetic number, because the mean of its divisors is an integer number (30373020).

Almost surely, 2164014281 is an apocalyptic number.

It is an amenable number.

164014281 is a deficient number, since it is larger than the sum of its proper divisors (78969879).

164014281 is an equidigital number, since it uses as much as digits as its factorization.

164014281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6074612 (or 6074606 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 164014281 is about 12806.8060421012. The cubic root of 164014281 is about 547.3862552224.

The spelling of 164014281 in words is "one hundred sixty-four million, fourteen thousand, two hundred eighty-one".

Divisors: 1 3 9 27 6074603 18223809 54671427 164014281