Search a number
-
+
29009025 = 3252314159
BaseRepresentation
bin110111010101…
…0010010000001
32000120210220100
41232222102001
524411242100
62513433013
7501400263
oct156522201
960523810
1029009025
1115413a01
12986b769
136018c06
143bd1b33
152830400
hex1baa481

29009025 has 36 divisors (see below), whose sum is σ = 53647360. Its totient is φ = 14968800.

The previous prime is 29009009. The next prime is 29009041. The reversal of 29009025 is 52090092.

It is an interprime number because it is at equal distance from previous prime (29009009) and next prime (29009041).

It is not a de Polignac number, because 29009025 - 24 = 29009009 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 29009025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4896 + ... + 9054.

Almost surely, 229009025 is an apocalyptic number.

29009025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

29009025 is a deficient number, since it is larger than the sum of its proper divisors (24638335).

29009025 is a wasteful number, since it uses less digits than its factorization.

29009025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 4198 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 29009025 is about 5386.0026921642. The cubic root of 29009025 is about 307.2635501358.

The spelling of 29009025 in words is "twenty-nine million, nine thousand, twenty-five".

Divisors: 1 3 5 9 15 25 31 45 75 93 155 225 279 465 775 1395 2325 4159 6975 12477 20795 37431 62385 103975 128929 187155 311925 386787 644645 935775 1160361 1933935 3223225 5801805 9669675 29009025