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164330705 = 5711238803
BaseRepresentation
bin10011100101101…
…11110011010001
3102110012212100102
421302313303101
5314032040310
624150102145
74033534160
oct1162676321
9373185312
10164330705
1184840100
124704a955
1328078a06
1417b793d7
15e6608a5
hex9cb7cd1

164330705 has 24 divisors (see below), whose sum is σ = 247724736. Its totient is φ = 102437280.

The previous prime is 164330701. The next prime is 164330711. The reversal of 164330705 is 507033461.

It is not a de Polignac number, because 164330705 - 22 = 164330701 is a prime.

It is not an unprimeable number, because it can be changed into a prime (164330701) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15167 + ... + 23636.

It is an arithmetic number, because the mean of its divisors is an integer number (10321864).

Almost surely, 2164330705 is an apocalyptic number.

It is an amenable number.

164330705 is a deficient number, since it is larger than the sum of its proper divisors (83394031).

164330705 is a wasteful number, since it uses less digits than its factorization.

164330705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38837 (or 38826 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 164330705 is about 12819.1538332294. The cubic root of 164330705 is about 547.7380434545.

The spelling of 164330705 in words is "one hundred sixty-four million, three hundred thirty thousand, seven hundred five".

Divisors: 1 5 7 11 35 55 77 121 385 605 847 4235 38803 194015 271621 426833 1358105 2134165 2987831 4695163 14939155 23475815 32866141 164330705