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30100525 = 52713101131
BaseRepresentation
bin111001011010…
…0110000101101
32002122021011021
41302310300231
530201204100
62553054141
7513564430
oct162646055
962567137
1030100525
1115a99a74
12a0b7351
13630b980
143dd7817
152998a1a
hex1cb4c2d

30100525 has 48 divisors (see below), whose sum is σ = 46747008. Its totient is φ = 18720000.

The previous prime is 30100517. The next prime is 30100607. The reversal of 30100525 is 52500103.

It is not a de Polignac number, because 30100525 - 23 = 30100517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30100499 and 30100508.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 229710 + ... + 229840.

It is an arithmetic number, because the mean of its divisors is an integer number (973896).

Almost surely, 230100525 is an apocalyptic number.

30100525 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

30100525 is a deficient number, since it is larger than the sum of its proper divisors (16646483).

30100525 is a wasteful number, since it uses less digits than its factorization.

30100525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262 (or 257 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 16.

The square root of 30100525 is about 5486.3945355762. The cubic root of 30100525 is about 311.0699242765.

Adding to 30100525 its reverse (52500103), we get a palindrome (82600628).

It can be divided in two parts, 30100 and 525, that added together give a square (30625 = 1752).

The spelling of 30100525 in words is "thirty million, one hundred thousand, five hundred twenty-five".

Divisors: 1 5 7 13 25 35 65 91 101 131 175 325 455 505 655 707 917 1313 1703 2275 2525 3275 3535 4585 6565 8515 9191 11921 13231 17675 22925 32825 42575 45955 59605 66155 92617 172003 229775 298025 330775 463085 860015 1204021 2315425 4300075 6020105 30100525