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164729001 = 3431276969
BaseRepresentation
bin10011101000110…
…01000010101001
3102110222002201010
421310121002221
5314132312001
624202414133
74040113323
oct1164310251
9373862633
10164729001
1184a92378
1247201349
13281880a8
1417c40613
15e6dd8d6
hex9d190a9

164729001 has 8 divisors (see below), whose sum is σ = 224746720. Its totient is φ = 107265312.

The previous prime is 164728987. The next prime is 164729029. The reversal of 164729001 is 100927461.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 164729001 - 25 = 164728969 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 164729001.

It is not an unprimeable number, because it can be changed into a prime (164729401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638356 + ... + 638613.

It is an arithmetic number, because the mean of its divisors is an integer number (28093340).

Almost surely, 2164729001 is an apocalyptic number.

It is an amenable number.

164729001 is a deficient number, since it is larger than the sum of its proper divisors (60017719).

164729001 is a wasteful number, since it uses less digits than its factorization.

164729001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1277015.

The product of its (nonzero) digits is 3024, while the sum is 30.

The square root of 164729001 is about 12834.6796220241. The cubic root of 164729001 is about 548.1802124988.

The spelling of 164729001 in words is "one hundred sixty-four million, seven hundred twenty-nine thousand, one".

Divisors: 1 3 43 129 1276969 3830907 54909667 164729001