Search a number
-
+
29812994 = 214906497
BaseRepresentation
bin111000110111…
…0100100000010
32002002122201222
41301232210002
530113003434
62542555042
7511256231
oct161564402
962078658
1029812994
1115912a42
129b98a82
13623ab33
143d60b18
15293d72e
hex1c6e902

29812994 has 4 divisors (see below), whose sum is σ = 44719494. Its totient is φ = 14906496.

The previous prime is 29812969. The next prime is 29812997. The reversal of 29812994 is 49921892.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 26061025 + 3751969 = 5105^2 + 1937^2 .

It is a super-3 number, since 3×298129943 (a number of 23 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (29812997) by changing a digit.

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 as a sum of consecutive naturals, namely, 7453247 + ... + 7453250.

Almost surely, 229812994 is an apocalyptic number.

29812994 is a deficient number, since it is larger than the sum of its proper divisors (14906500).

29812994 is a wasteful number, since it uses less digits than its factorization.

29812994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14906499.

The product of its digits is 93312, while the sum is 44.

The square root of 29812994 is about 5460.1276541854. The cubic root of 29812994 is about 310.0762698219.

The spelling of 29812994 in words is "twenty-nine million, eight hundred twelve thousand, nine hundred ninety-four".

Divisors: 1 2 14906497 29812994