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18482312 = 232310289
BaseRepresentation
bin100011010000…
…0010010001000
31021202222222002
41012200102020
514212413222
61500050132
7313045202
oct106402210
937688862
1018482312
11a484042
126233948
133aa16a4
142651772
151951392
hex11a0488

18482312 has 8 divisors (see below), whose sum is σ = 34654350. Its totient is φ = 9241152.

The previous prime is 18482311. The next prime is 18482323. The reversal of 18482312 is 21328481.

It can be written as a sum of positive squares in only one way, i.e., 16859236 + 1623076 = 4106^2 + 1274^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (18482311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1155137 + ... + 1155152.

Almost surely, 218482312 is an apocalyptic number.

It is an amenable number.

18482312 is a deficient number, since it is larger than the sum of its proper divisors (16172038).

18482312 is a wasteful number, since it uses less digits than its factorization.

18482312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2310295 (or 2310291 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 18482312 is about 4299.1059535676. The cubic root of 18482312 is about 264.3943067048.

The spelling of 18482312 in words is "eighteen million, four hundred eighty-two thousand, three hundred twelve".

Divisors: 1 2 4 8 2310289 4620578 9241156 18482312