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30326121 = 3272320929
BaseRepresentation
bin111001110101…
…1110101101001
32010001201121200
41303223311221
530230413441
63001554413
7515524230
oct163536551
963051550
1030326121
1116133511
12a1a5a09
13638a567
144055b17
1529e07b6
hex1cebd69

30326121 has 24 divisors (see below), whose sum is σ = 52241280. Its totient is φ = 16574976.

The previous prime is 30326117. The next prime is 30326129. The reversal of 30326121 is 12162303.

It is not a de Polignac number, because 30326121 - 22 = 30326117 is a prime.

It is a super-2 number, since 2×303261212 = 1839347229813282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30326094 and 30326103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30326129) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9016 + ... + 11913.

It is an arithmetic number, because the mean of its divisors is an integer number (2176720).

Almost surely, 230326121 is an apocalyptic number.

It is an amenable number.

30326121 is a deficient number, since it is larger than the sum of its proper divisors (21915159).

30326121 is a wasteful number, since it uses less digits than its factorization.

30326121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20965 (or 20962 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 30326121 is about 5506.9157429545. The cubic root of 30326121 is about 311.8451216017.

Adding to 30326121 its reverse (12162303), we get a palindrome (42488424).

The spelling of 30326121 in words is "thirty million, three hundred twenty-six thousand, one hundred twenty-one".

Divisors: 1 3 7 9 21 23 63 69 161 207 483 1449 20929 62787 146503 188361 439509 481367 1318527 1444101 3369569 4332303 10108707 30326121