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18342068 = 2219241343
BaseRepresentation
bin100010111111…
…0000010110100
31021111212120212
41011332002310
514143421233
61453044552
7311622263
oct105760264
937455525
1018342068
11a398738
126186758
133a528c4
1426165da
151924a48
hex117e0b4

18342068 has 12 divisors (see below), whose sum is σ = 33788160. Its totient is φ = 8688312.

The previous prime is 18342061. The next prime is 18342101. The reversal of 18342068 is 86024381.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18342061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 120596 + ... + 120747.

It is an arithmetic number, because the mean of its divisors is an integer number (2815680).

Almost surely, 218342068 is an apocalyptic number.

It is an amenable number.

18342068 is a deficient number, since it is larger than the sum of its proper divisors (15446092).

18342068 is a wasteful number, since it uses less digits than its factorization.

18342068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241366 (or 241364 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18342068 is about 4282.7640607439. The cubic root of 18342068 is about 263.7238656974.

The spelling of 18342068 in words is "eighteen million, three hundred forty-two thousand, sixty-eight".

Divisors: 1 2 4 19 38 76 241343 482686 965372 4585517 9171034 18342068