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30022192 = 242989727
BaseRepresentation
bin111001010000…
…1101000110000
32002111021201001
41302201220300
530141202232
62551251344
7513120154
oct162415060
962437631
1030022192
1115a46132
12a079b54
1362b2115
143db7064
1529806e7
hex1ca1a30

30022192 has 40 divisors (see below), whose sum is σ = 60933600. Its totient is φ = 14310912.

The previous prime is 30022189. The next prime is 30022253. The reversal of 30022192 is 29122003.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40933 + ... + 41659.

It is an arithmetic number, because the mean of its divisors is an integer number (1523340).

Almost surely, 230022192 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30022192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30466800).

30022192 is an abundant number, since it is smaller than the sum of its proper divisors (30911408).

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

30022192 is a wasteful number, since it uses less digits than its factorization.

30022192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 853 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 30022192 is about 5479.2510437103. The cubic root of 30022192 is about 310.7998491596.

Adding to 30022192 its reverse (29122003), we get a palindrome (59144195).

The spelling of 30022192 in words is "thirty million, twenty-two thousand, one hundred ninety-two".

Divisors: 1 2 4 8 16 29 58 89 116 178 232 356 464 712 727 1424 1454 2581 2908 5162 5816 10324 11632 20648 21083 41296 42166 64703 84332 129406 168664 258812 337328 517624 1035248 1876387 3752774 7505548 15011096 30022192