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30141806 = 2411492467
BaseRepresentation
bin111001011111…
…0110101101110
32002201100210012
41302332311232
530204014211
62554013222
7514125662
oct162766556
962640705
1030141806
1116017a92
12a117212
1363246b6
1440088a2
1529a5d8b
hex1cbed6e

30141806 has 16 divisors (see below), whose sum is σ = 46645200. Its totient is φ = 14598720.

The previous prime is 30141803. The next prime is 30141821. The reversal of 30141806 is 60814103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30141803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10985 + ... + 13451.

It is an arithmetic number, because the mean of its divisors is an integer number (2915325).

Almost surely, 230141806 is an apocalyptic number.

30141806 is a deficient number, since it is larger than the sum of its proper divisors (16503394).

30141806 is a wasteful number, since it uses less digits than its factorization.

30141806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2659.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 30141806 is about 5490.1553712076. The cubic root of 30141806 is about 311.2120636763.

Adding to 30141806 its reverse (60814103), we get a palindrome (90955909).

The spelling of 30141806 in words is "thirty million, one hundred forty-one thousand, eight hundred six".

Divisors: 1 2 41 82 149 298 2467 4934 6109 12218 101147 202294 367583 735166 15070903 30141806