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30442324 = 2211691871
BaseRepresentation
bin111010000100…
…0001101010100
32010021122000111
41310020031110
530243123244
63004252404
7516520063
oct164101524
963248014
1030442324
1116202850
12a241104
1363cb413
1440861da
152a14e34
hex1d08354

30442324 has 12 divisors (see below), whose sum is σ = 58117248. Its totient is φ = 13837400.

The previous prime is 30442301. The next prime is 30442331. The reversal of 30442324 is 42324403.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 30442295 and 30442304.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345892 + ... + 345979.

It is an arithmetic number, because the mean of its divisors is an integer number (4843104).

Almost surely, 230442324 is an apocalyptic number.

It is an amenable number.

30442324 is a deficient number, since it is larger than the sum of its proper divisors (27674924).

30442324 is a wasteful number, since it uses less digits than its factorization.

30442324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691886 (or 691884 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 30442324 is about 5517.4562979692. The cubic root of 30442324 is about 312.2429211582.

Adding to 30442324 its reverse (42324403), we get a palindrome (72766727).

The spelling of 30442324 in words is "thirty million, four hundred forty-two thousand, three hundred twenty-four".

Divisors: 1 2 4 11 22 44 691871 1383742 2767484 7610581 15221162 30442324