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18076742 = 271127301
BaseRepresentation
bin100010011110…
…1010001000110
31021000101121222
41010331101012
514111423432
61443240342
7306435605
oct104752106
937011558
1018076742
11a227362
1260790b2
13398bbc8
142587a3c
1518c1112
hex113d446

18076742 has 8 divisors (see below), whose sum is σ = 27497232. Its totient is φ = 8911000.

The previous prime is 18076741. The next prime is 18076753. The reversal of 18076742 is 24767081.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18076741) 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, 63509 + ... + 63792.

It is an arithmetic number, because the mean of its divisors is an integer number (3437154).

Almost surely, 218076742 is an apocalyptic number.

18076742 is a deficient number, since it is larger than the sum of its proper divisors (9420490).

18076742 is a wasteful number, since it uses less digits than its factorization.

18076742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127374.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 18076742 is about 4251.6751992597. The cubic root of 18076742 is about 262.4460575477.

The spelling of 18076742 in words is "eighteen million, seventy-six thousand, seven hundred forty-two".

Divisors: 1 2 71 142 127301 254602 9038371 18076742