Search a number
-
+
30226442 = 2178310711
BaseRepresentation
bin111001101001…
…1100000001010
32002212122212212
41303103200022
530214221232
62555505122
7514630511
oct163234012
962778785
1030226442
1116075634
12a1581a2
13635408c
14402b678
1529c0eb2
hex1cd380a

30226442 has 16 divisors (see below), whose sum is σ = 48589632. Its totient is φ = 14051520.

The previous prime is 30226433. The next prime is 30226481. The reversal of 30226442 is 24462203.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2534 + ... + 8177.

It is an arithmetic number, because the mean of its divisors is an integer number (3036852).

Almost surely, 230226442 is an apocalyptic number.

30226442 is a deficient number, since it is larger than the sum of its proper divisors (18363190).

30226442 is a wasteful number, since it uses less digits than its factorization.

30226442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10813.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 30226442 is about 5497.8579465097. The cubic root of 30226442 is about 311.5030784134.

Adding to 30226442 its reverse (24462203), we get a palindrome (54688645).

The spelling of 30226442 in words is "thirty million, two hundred twenty-six thousand, four hundred forty-two".

Divisors: 1 2 17 34 83 166 1411 2822 10711 21422 182087 364174 889013 1778026 15113221 30226442