Search a number
-
+
29918082 = 23291391237
BaseRepresentation
bin111001000100…
…0001110000010
32002021222220010
41302020032002
530124334312
62545125350
7512204505
oct162101602
962258803
1029918082
1115984997
12a029856
13627690c
143d8b13c
15295e93c
hex1c88382

29918082 has 32 divisors (see below), whose sum is σ = 62395200. Its totient is φ = 9551808.

The previous prime is 29918081. The next prime is 29918087. The reversal of 29918082 is 28081992.

It is a self number, because there is not a number n which added to its sum of digits gives 29918082.

It is not an unprimeable number, because it can be changed into a prime (29918081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23568 + ... + 24804.

It is an arithmetic number, because the mean of its divisors is an integer number (1949850).

Almost surely, 229918082 is an apocalyptic number.

29918082 is an abundant number, since it is smaller than the sum of its proper divisors (32477118).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

29918082 is a wasteful number, since it uses less digits than its factorization.

29918082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 29918082 is about 5469.7424070974. The cubic root of 29918082 is about 310.4401724784.

It can be divided in two parts, 299 and 18082, that added together give a palindrome (18381).

The spelling of 29918082 in words is "twenty-nine million, nine hundred eighteen thousand, eighty-two".

Divisors: 1 2 3 6 29 58 87 139 174 278 417 834 1237 2474 3711 4031 7422 8062 12093 24186 35873 71746 107619 171943 215238 343886 515829 1031658 4986347 9972694 14959041 29918082