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30223224 = 23321922093
BaseRepresentation
bin111001101001…
…0101101111000
32002212111110200
41303102231320
530214120344
62555442200
7514615233
oct163225570
962774420
1030223224
1116073179
12a156360
136352785
14402a41a
1529c0069
hex1cd2b78

30223224 has 48 divisors (see below), whose sum is σ = 86166600. Its totient is φ = 9543744.

The previous prime is 30223211. The next prime is 30223261. The reversal of 30223224 is 42232203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 30223197 and 30223206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9679 + ... + 12414.

Almost surely, 230223224 is an apocalyptic number.

It is an amenable number.

30223224 is an abundant number, since it is smaller than the sum of its proper divisors (55943376).

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

30223224 is a wasteful number, since it uses less digits than its factorization.

30223224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22124 (or 22117 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 30223224 is about 5497.5652792850. The cubic root of 30223224 is about 311.4920234958.

Adding to 30223224 its reverse (42232203), we get a palindrome (72455427).

The spelling of 30223224 in words is "thirty million, two hundred twenty-three thousand, two hundred twenty-four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 22093 44186 66279 88372 132558 176744 198837 265116 397674 419767 530232 795348 839534 1259301 1590696 1679068 2518602 3358136 3777903 5037204 7555806 10074408 15111612 30223224