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30549194 = 2131174969
BaseRepresentation
bin111010010001…
…0010011001010
32010111001121122
41310202103022
530310033234
63010435242
7520443464
oct164422312
963431548
1030549194
1116276075
12a292b22
136437c60
1440b3134
152a3692e
hex1d224ca

30549194 has 8 divisors (see below), whose sum is σ = 49348740. Its totient is φ = 14099616.

The previous prime is 30549193. The next prime is 30549199. The reversal of 30549194 is 49194503.

It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 156025 = 5513^2 + 395^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30549193) 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, 587459 + ... + 587510.

Almost surely, 230549194 is an apocalyptic number.

30549194 is a deficient number, since it is larger than the sum of its proper divisors (18799546).

30549194 is a wasteful number, since it uses less digits than its factorization.

30549194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174984.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 30549194 is about 5527.1325296215. The cubic root of 30549194 is about 312.6078782750.

The spelling of 30549194 in words is "thirty million, five hundred forty-nine thousand, one hundred ninety-four".

Divisors: 1 2 13 26 1174969 2349938 15274597 30549194