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30453122 = 272175223
BaseRepresentation
bin111010000101…
…0110110000010
32010022011211102
41310022312002
530243444442
63004414402
7516563420
oct164126602
963264742
1030453122
111620a977
12a247402
1364032cb
14408a110
152a18232
hex1d0ad82

30453122 has 8 divisors (see below), whose sum is σ = 52205376. Its totient is φ = 13051332.

The previous prime is 30453113. The next prime is 30453139. The reversal of 30453122 is 22135403.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 30453094 and 30453103.

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 3 ways as a sum of consecutive naturals, for example, 1087598 + ... + 1087625.

It is an arithmetic number, because the mean of its divisors is an integer number (6525672).

Almost surely, 230453122 is an apocalyptic number.

30453122 is a deficient number, since it is larger than the sum of its proper divisors (21752254).

30453122 is a wasteful number, since it uses less digits than its factorization.

30453122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2175232.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 30453122 is about 5518.4347418448. The cubic root of 30453122 is about 312.2798346836.

Adding to 30453122 its reverse (22135403), we get a palindrome (52588525).

The spelling of 30453122 in words is "thirty million, four hundred fifty-three thousand, one hundred twenty-two".

Divisors: 1 2 7 14 2175223 4350446 15226561 30453122