Search a number
-
+
30261022 = 2113144371
BaseRepresentation
bin111001101101…
…1111100011110
32002221102022121
41303123330132
530221323042
63000333154
7515133361
oct163337436
962842277
1030261022
1116099610
12a1741ba
136366a3c
14403a0d8
1529cb367
hex1cdbf1e

30261022 has 16 divisors (see below), whose sum is σ = 51116544. Its totient is φ = 13311000.

The previous prime is 30261017. The next prime is 30261047. The reversal of 30261022 is 22016203.

It is a junction number, because it is equal to n+sod(n) for n = 30260987 and 30261005.

It is a congruent number.

It is an unprimeable number.

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, 21504 + ... + 22867.

It is an arithmetic number, because the mean of its divisors is an integer number (3194784).

Almost surely, 230261022 is an apocalyptic number.

30261022 is a deficient number, since it is larger than the sum of its proper divisors (20855522).

30261022 is a wasteful number, since it uses less digits than its factorization.

30261022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44415.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 30261022 is about 5501.0019087435. The cubic root of 30261022 is about 311.6218229144.

Adding to 30261022 its reverse (22016203), we get a palindrome (52277225).

The spelling of 30261022 in words is "thirty million, two hundred sixty-one thousand, twenty-two".

Divisors: 1 2 11 22 31 62 341 682 44371 88742 488081 976162 1375501 2751002 15130511 30261022