[go: up one dir, main page]

Search a number
-
+
29009006 = 2131115731
BaseRepresentation
bin110111010101…
…0010001101110
32000120210212122
41232222101232
524411242011
62513432542
7501400235
oct156522156
960523778
1029009006
1115413994
12986b752
136018bc0
143bd1b1c
1528303db
hex1baa46e

29009006 has 8 divisors (see below), whose sum is σ = 46860744. Its totient is φ = 13388760.

The previous prime is 29008981. The next prime is 29009009. The reversal of 29009006 is 60090092.

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

It is a Harshad number since it is a multiple of its sum of digits (26), and also a Moran number because the ratio is a prime number: 1115731 = 29009006 / (2 + 9 + 0 + 0 + 9 + 0 + 0 + 6).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (29009009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 557840 + ... + 557891.

It is an arithmetic number, because the mean of its divisors is an integer number (5857593).

Almost surely, 229009006 is an apocalyptic number.

29009006 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

29009006 is a deficient number, since it is larger than the sum of its proper divisors (17851738).

29009006 is a wasteful number, since it uses less digits than its factorization.

29009006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115746.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 29009006 is about 5386.0009283326. Note that the first 3 decimals coincide. The cubic root of 29009006 is about 307.2634830532.

Adding to 29009006 its reverse (60090092), we get a palindrome (89099098).

The spelling of 29009006 in words is "twenty-nine million, nine thousand, six".

Divisors: 1 2 13 26 1115731 2231462 14504503 29009006