Search a number
-
+
30422849 = 82736787
BaseRepresentation
bin111010000001…
…1011101000001
32010020122022012
41310003131001
530242012344
63004022305
7516406232
oct164033501
963218265
1030422849
111619a156
12a231995
1363c25b2
14407d089
152a0e29e
hex1d03741

30422849 has 4 divisors (see below), whose sum is σ = 30460464. Its totient is φ = 30385236.

The previous prime is 30422837. The next prime is 30422863. The reversal of 30422849 is 94822403.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30422849 - 220 = 29374273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30421849) 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 in 3 ways as a sum of consecutive naturals, for example, 17567 + ... + 19220.

It is an arithmetic number, because the mean of its divisors is an integer number (7615116).

Almost surely, 230422849 is an apocalyptic number.

It is an amenable number.

30422849 is a deficient number, since it is larger than the sum of its proper divisors (37615).

30422849 is an equidigital number, since it uses as much as digits as its factorization.

30422849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37614.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 30422849 is about 5515.6911624927. The cubic root of 30422849 is about 312.1763227815.

The spelling of 30422849 in words is "thirty million, four hundred twenty-two thousand, eight hundred forty-nine".

Divisors: 1 827 36787 30422849