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30223032 = 2337179899
BaseRepresentation
bin111001101001…
…0101010111000
32002212111012120
41303102222320
530214114112
62555441240
7514614540
oct163225270
962774176
1030223032
1116073014
12a156220
136352668
14402a320
1529bee8c
hex1cd2ab8

30223032 has 32 divisors (see below), whose sum is σ = 86352000. Its totient is φ = 8635104.

The previous prime is 30223031. The next prime is 30223033. The reversal of 30223032 is 23032203.

It is an interprime number because it is at equal distance from previous prime (30223031) and next prime (30223033).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30223031) 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 7 ways as a sum of consecutive naturals, for example, 89782 + ... + 90117.

It is an arithmetic number, because the mean of its divisors is an integer number (2698500).

Almost surely, 230223032 is an apocalyptic number.

It is an amenable number.

30223032 is an abundant number, since it is smaller than the sum of its proper divisors (56128968).

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

30223032 is a wasteful number, since it uses less digits than its factorization.

30223032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179915 (or 179911 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 15.

The square root of 30223032 is about 5497.5478169817. The cubic root of 30223032 is about 311.4913638861.

Adding to 30223032 its reverse (23032203), we get a palindrome (53255235).

The spelling of 30223032 in words is "thirty million, two hundred twenty-three thousand, thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 179899 359798 539697 719596 1079394 1259293 1439192 2158788 2518586 3777879 4317576 5037172 7555758 10074344 15111516 30223032