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18741304 = 232342663
BaseRepresentation
bin100011101111…
…1100000111000
31022021011020101
41013133200320
514244210204
61505405144
7315204241
oct107374070
938234211
1018741304
11a64068a
1263397b4
133b6253a
1426bbcc8
1519a2ea4
hex11df838

18741304 has 8 divisors (see below), whose sum is σ = 35139960. Its totient is φ = 9370648.

The previous prime is 18741287. The next prime is 18741311. The reversal of 18741304 is 40314781.

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

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1171324 + ... + 1171339.

It is an arithmetic number, because the mean of its divisors is an integer number (4392495).

Almost surely, 218741304 is an apocalyptic number.

It is an amenable number.

18741304 is a deficient number, since it is larger than the sum of its proper divisors (16398656).

18741304 is a wasteful number, since it uses less digits than its factorization.

18741304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2342669 (or 2342665 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 18741304 is about 4329.1227748818. The cubic root of 18741304 is about 265.6235653717.

The spelling of 18741304 in words is "eighteen million, seven hundred forty-one thousand, three hundred four".

Divisors: 1 2 4 8 2342663 4685326 9370652 18741304