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18034344 = 23321913183
BaseRepresentation
bin100010011001…
…0111010101000
31020221020110200
41010302322220
514104044334
61442312200
7306201156
oct104627250
936836420
1018034344
11a1a8519
126058660
133975813
1425763d6
1518b3799
hex1132ea8

18034344 has 48 divisors (see below), whose sum is σ = 51417600. Its totient is φ = 5694624.

The previous prime is 18034339. The next prime is 18034349. The reversal of 18034344 is 44343081.

It is an interprime number because it is at equal distance from previous prime (18034339) and next prime (18034349).

It is not an unprimeable number, because it can be changed into a prime (18034349) 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 11 ways as a sum of consecutive naturals, for example, 5224 + ... + 7959.

It is an arithmetic number, because the mean of its divisors is an integer number (1071200).

Almost surely, 218034344 is an apocalyptic number.

It is an amenable number.

18034344 is an abundant number, since it is smaller than the sum of its proper divisors (33383256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18034344 is a wasteful number, since it uses less digits than its factorization.

18034344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13214 (or 13207 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 18034344 is about 4246.6862375269. The cubic root of 18034344 is about 262.2407126778.

The spelling of 18034344 in words is "eighteen million, thirty-four thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 9 12 18 19 24 36 38 57 72 76 114 152 171 228 342 456 684 1368 13183 26366 39549 52732 79098 105464 118647 158196 237294 250477 316392 474588 500954 751431 949176 1001908 1502862 2003816 2254293 3005724 4508586 6011448 9017172 18034344