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30504426 = 2317299063
BaseRepresentation
bin111010001011…
…1010111101010
32010101210012120
41310113113222
530302120201
63005452110
7520166121
oct164272752
963353176
1030504426
1116245477
12a271036
136420774
1440a0ab8
152a28536
hex1d175ea

30504426 has 16 divisors (see below), whose sum is σ = 64597824. Its totient is φ = 9569984.

The previous prime is 30504421. The next prime is 30504427. The reversal of 30504426 is 62440503.

It is a junction number, because it is equal to n+sod(n) for n = 30504396 and 30504405.

It is not an unprimeable number, because it can be changed into a prime (30504421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 149430 + ... + 149633.

It is an arithmetic number, because the mean of its divisors is an integer number (4037364).

Almost surely, 230504426 is an apocalyptic number.

30504426 is an abundant number, since it is smaller than the sum of its proper divisors (34093398).

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

30504426 is a wasteful number, since it uses less digits than its factorization.

30504426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 299085.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 30504426 is about 5523.0812052694. The cubic root of 30504426 is about 312.4551009627.

Adding to 30504426 its reverse (62440503), we get a palindrome (92944929).

The spelling of 30504426 in words is "thirty million, five hundred four thousand, four hundred twenty-six".

Divisors: 1 2 3 6 17 34 51 102 299063 598126 897189 1794378 5084071 10168142 15252213 30504426