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164424651 = 3193193053
BaseRepresentation
bin10011100110011…
…10101111001011
3102110101122012220
421303032233023
5314043042101
624152105123
74034405106
oct1163165713
9373348186
10164424651
11848a4746
12470951a3
13280ac6c1
1417ba173d
15e67d636
hex9ccebcb

164424651 has 16 divisors (see below), whose sum is σ = 238218240. Its totient is φ = 100496160.

The previous prime is 164424641. The next prime is 164424749. The reversal of 164424651 is 156424461.

It is not a de Polignac number, because 164424651 - 26 = 164424587 is a prime.

It is a super-3 number, since 3×1644246513 (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (164424641) 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 15 ways as a sum of consecutive naturals, for example, 44760 + ... + 48293.

It is an arithmetic number, because the mean of its divisors is an integer number (14888640).

Almost surely, 2164424651 is an apocalyptic number.

164424651 is a deficient number, since it is larger than the sum of its proper divisors (73793589).

164424651 is a wasteful number, since it uses less digits than its factorization.

164424651 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93106.

The product of its digits is 23040, while the sum is 33.

The square root of 164424651 is about 12822.8175920895. The cubic root of 164424651 is about 547.8424021122.

The spelling of 164424651 in words is "one hundred sixty-four million, four hundred twenty-four thousand, six hundred fifty-one".

Divisors: 1 3 19 31 57 93 589 1767 93053 279159 1768007 2884643 5304021 8653929 54808217 164424651