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30272036 = 22173371321
BaseRepresentation
bin111001101111…
…0101000100100
32002221222102112
41303132220210
530222201121
63000500152
7515210444
oct163365044
962858375
1030272036
11160a6913
12a17a658
13636ba62
144040124
1529ce75b
hex1cdea24

30272036 has 24 divisors (see below), whose sum is σ = 56301336. Its totient is φ = 14192640.

The previous prime is 30272017. The next prime is 30272083. The reversal of 30272036 is 63027203.

It can be written as a sum of positive squares in 4 ways, for example, as 11833600 + 18438436 = 3440^2 + 4294^2 .

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 7 ways as a sum of consecutive naturals, for example, 22256 + ... + 23576.

It is an arithmetic number, because the mean of its divisors is an integer number (2345889).

Almost surely, 230272036 is an apocalyptic number.

It is an amenable number.

30272036 is a deficient number, since it is larger than the sum of its proper divisors (26029300).

30272036 is a wasteful number, since it uses less digits than its factorization.

30272036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1679 (or 1677 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 30272036 is about 5502.0029080327. The cubic root of 30272036 is about 311.6596249692.

Adding to 30272036 its reverse (63027203), we get a palindrome (93299239).

The spelling of 30272036 in words is "thirty million, two hundred seventy-two thousand, thirty-six".

Divisors: 1 2 4 17 34 68 337 674 1321 1348 2642 5284 5729 11458 22457 22916 44914 89828 445177 890354 1780708 7568009 15136018 30272036