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30630106 = 2132774253
BaseRepresentation
bin111010011011…
…0000011011010
32010122011121101
41310312003122
530320130411
63012302014
7521231413
oct164660332
963564541
1030630106
1116320941
12a31190a
136465a30
1440d480a
152a508c1
hex1d360da

30630106 has 16 divisors (see below), whose sum is σ = 49669704. Its totient is φ = 14082624.

The previous prime is 30630101. The next prime is 30630137. The reversal of 30630106 is 60103603.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9054081 + 21576025 = 3009^2 + 4645^2 .

It is not an unprimeable number, because it can be changed into a prime (30630101) 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, 5076 + ... + 9328.

Almost surely, 230630106 is an apocalyptic number.

30630106 is a deficient number, since it is larger than the sum of its proper divisors (19039598).

30630106 is a wasteful number, since it uses less digits than its factorization.

30630106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4545.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30630106 is about 5534.4472172025. The cubic root of 30630106 is about 312.8836240183.

Adding to 30630106 its reverse (60103603), we get a palindrome (90733709).

The spelling of 30630106 in words is "thirty million, six hundred thirty thousand, one hundred six".

Divisors: 1 2 13 26 277 554 3601 4253 7202 8506 55289 110578 1178081 2356162 15315053 30630106