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30012232 = 2322316823
BaseRepresentation
bin111001001111…
…1001101001000
32002110210001011
41302133031020
530140342412
62551133304
7513046135
oct162371510
962423034
1030012232
1115a396a8
12a074234
1362aa723
143db358c
15297c7a7
hex1c9f348

30012232 has 16 divisors (see below), whose sum is σ = 56528640. Its totient is φ = 14937936.

The previous prime is 30012223. The next prime is 30012239. The reversal of 30012232 is 23221003.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (30012239) 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 3 ways as a sum of consecutive naturals, for example, 6628 + ... + 10195.

It is an arithmetic number, because the mean of its divisors is an integer number (3533040).

Almost surely, 230012232 is an apocalyptic number.

It is an amenable number.

30012232 is a deficient number, since it is larger than the sum of its proper divisors (26516408).

30012232 is a wasteful number, since it uses less digits than its factorization.

30012232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17052 (or 17048 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 30012232 is about 5478.3420849742. The cubic root of 30012232 is about 310.7654755993.

Adding to 30012232 its reverse (23221003), we get a palindrome (53233235).

The spelling of 30012232 in words is "thirty million, twelve thousand, two hundred thirty-two".

Divisors: 1 2 4 8 223 446 892 1784 16823 33646 67292 134584 3751529 7503058 15006116 30012232