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29800165 = 519330881
BaseRepresentation
bin111000110101…
…1011011100101
32002002000010211
41301223123211
530112101130
62542415421
7511203643
oct161533345
962060124
1029800165
111590433a
129b91571
136235045
143d5a193
152939a2a
hex1c6b6e5

29800165 has 8 divisors (see below), whose sum is σ = 35946648. Its totient is φ = 23715840.

The previous prime is 29800129. The next prime is 29800171. The reversal of 29800165 is 56100892.

It can be written as a sum of positive squares in 4 ways, for example, as 6548481 + 23251684 = 2559^2 + 4822^2 .

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

It is not a de Polignac number, because 29800165 - 217 = 29669093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14476 + ... + 16405.

It is an arithmetic number, because the mean of its divisors is an integer number (4493331).

Almost surely, 229800165 is an apocalyptic number.

It is an amenable number.

29800165 is a deficient number, since it is larger than the sum of its proper divisors (6146483).

29800165 is a wasteful number, since it uses less digits than its factorization.

29800165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31079.

The product of its (nonzero) digits is 4320, while the sum is 31.

The square root of 29800165 is about 5458.9527383922. The cubic root of 29800165 is about 310.0317865429.

The spelling of 29800165 in words is "twenty-nine million, eight hundred thousand, one hundred sixty-five".

Divisors: 1 5 193 965 30881 154405 5960033 29800165