Search a number
-
+
29030018 = 285716937
BaseRepresentation
bin110111010111…
…1011010000010
32000121212200212
41232233122002
524412430033
62514114122
7501515423
oct156573202
960555625
1029030018
1115428756
12987b942
136025634
143bd964a
152836748
hex1baf682

29030018 has 8 divisors (see below), whose sum is σ = 43598412. Its totient is φ = 14497216.

The previous prime is 29030017. The next prime is 29030059. The reversal of 29030018 is 81003092.

It can be written as a sum of positive squares in 2 ways, for example, as 28121809 + 908209 = 5303^2 + 953^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 29029975 and 29030002.

It is not an unprimeable number, because it can be changed into a prime (29030017) 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, 6755 + ... + 10182.

Almost surely, 229030018 is an apocalyptic number.

29030018 is a deficient number, since it is larger than the sum of its proper divisors (14568394).

29030018 is a wasteful number, since it uses less digits than its factorization.

29030018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17796.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 29030018 is about 5387.9511876037. The cubic root of 29030018 is about 307.3376515387.

The spelling of 29030018 in words is "twenty-nine million, thirty thousand, eighteen".

Divisors: 1 2 857 1714 16937 33874 14515009 29030018