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30084361 = 293102677
BaseRepresentation
bin111001011000…
…0110100001001
32002121102222121
41302300310021
530200144421
62552451241
7513466336
oct162606411
962542877
1030084361
1115a8890a
12a0a9b21
1363044c8
143dd198d
152993d41
hex1cb0d09

30084361 has 4 divisors (see below), whose sum is σ = 30187332. Its totient is φ = 29981392.

The previous prime is 30084331. The next prime is 30084377. The reversal of 30084361 is 16348003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 19971961 + 10112400 = 4469^2 + 3180^2 .

It is a cyclic number.

It is not a de Polignac number, because 30084361 - 27 = 30084233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30084331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51046 + ... + 51631.

It is an arithmetic number, because the mean of its divisors is an integer number (7546833).

Almost surely, 230084361 is an apocalyptic number.

It is an amenable number.

30084361 is a deficient number, since it is larger than the sum of its proper divisors (102971).

30084361 is a wasteful number, since it uses less digits than its factorization.

30084361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102970.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 30084361 is about 5484.9212391793. The cubic root of 30084361 is about 311.0142327278.

The spelling of 30084361 in words is "thirty million, eighty-four thousand, three hundred sixty-one".

Divisors: 1 293 102677 30084361