Search a number
-
+
30008010 = 2351915237
BaseRepresentation
bin111001001111…
…0001011001010
32002110120020210
41302132023022
530140224020
62551101550
7513030624
oct162361312
962416223
1030008010
1115a3650a
12a0718b6
1362a8826
143db1c14
15297b3e0
hex1c9e2ca

30008010 has 32 divisors (see below), whose sum is σ = 72410112. Its totient is φ = 7958720.

The previous prime is 30008003. The next prime is 30008021. The reversal of 30008010 is 1080003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3112 + ... + 8348.

It is an arithmetic number, because the mean of its divisors is an integer number (2262816).

Almost surely, 230008010 is an apocalyptic number.

30008010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30008010 is an abundant number, since it is smaller than the sum of its proper divisors (42402102).

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

30008010 is a wasteful number, since it uses less digits than its factorization.

30008010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5438.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 30008010 is about 5477.9567358642. The cubic root of 30008010 is about 310.7509025038.

Adding to 30008010 its reverse (1080003), we get a palindrome (31088013).

The spelling of 30008010 in words is "thirty million, eight thousand, ten".

Divisors: 1 2 3 5 6 10 15 30 191 382 573 955 1146 1910 2865 5237 5730 10474 15711 26185 31422 52370 78555 157110 1000267 2000534 3000801 5001335 6001602 10002670 15004005 30008010