Search a number
-
+
29188485 = 335216211
BaseRepresentation
bin110111101011…
…0000110000101
32000220221002000
41233112012011
524433012420
62521335513
7503045424
oct157260605
960827060
1029188485
1115526817
129937599
13607c7c1
143c3b2bb
152868690
hex1bd6185

29188485 has 16 divisors (see below), whose sum is σ = 51890880. Its totient is φ = 15567120.

The previous prime is 29188459. The next prime is 29188493. The reversal of 29188485 is 58488192.

It is a happy number.

29188485 is a `hidden beast` number, since 2 + 91 + 88 + 485 = 666.

It is not a de Polignac number, because 29188485 - 29 = 29187973 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 29188485.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 107971 + ... + 108240.

It is an arithmetic number, because the mean of its divisors is an integer number (3243180).

Almost surely, 229188485 is an apocalyptic number.

It is an amenable number.

29188485 is a deficient number, since it is larger than the sum of its proper divisors (22702395).

29188485 is a wasteful number, since it uses less digits than its factorization.

29188485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216225 (or 216219 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 29188485 is about 5402.6368562027. The cubic root of 29188485 is about 307.8958613752.

The spelling of 29188485 in words is "twenty-nine million, one hundred eighty-eight thousand, four hundred eighty-five".

Divisors: 1 3 5 9 15 27 45 135 216211 648633 1081055 1945899 3243165 5837697 9729495 29188485