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30502422 = 23212771327
BaseRepresentation
bin111010001011…
…0111000010110
32010101200110100
41310112320112
530302034142
63005434530
7520160226
oct164267026
963350410
1030502422
1116243a15
12a26ba46
13641c892
1440a0086
152a27b4c
hex1d16e16

30502422 has 24 divisors (see below), whose sum is σ = 66190176. Its totient is φ = 10151856.

The previous prime is 30502421. The next prime is 30502441. The reversal of 30502422 is 22420503.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30502395 and 30502404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30502421) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 22323 + ... + 23649.

It is an arithmetic number, because the mean of its divisors is an integer number (2757924).

Almost surely, 230502422 is an apocalyptic number.

30502422 is an abundant number, since it is smaller than the sum of its proper divisors (35687754).

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

30502422 is a wasteful number, since it uses less digits than its factorization.

30502422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 30502422 is about 5522.8997818175. The cubic root of 30502422 is about 312.4482585268.

Adding to 30502422 its reverse (22420503), we get a palindrome (52922925).

The spelling of 30502422 in words is "thirty million, five hundred two thousand, four hundred twenty-two".

Divisors: 1 2 3 6 9 18 1277 1327 2554 2654 3831 3981 7662 7962 11493 11943 22986 23886 1694579 3389158 5083737 10167474 15251211 30502422