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18534954 = 239731847
BaseRepresentation
bin100011010110…
…1001000101010
31021212200011210
41012231020222
514221104304
61501133550
7313354524
oct106551052
937780153
1018534954
11a50a649
12625a2b6
133abc639
142666a14
151961c89
hex11ad22a

18534954 has 16 divisors (see below), whose sum is σ = 37453248. Its totient is φ = 6114432.

The previous prime is 18534889. The next prime is 18534959. The reversal of 18534954 is 45943581.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18534959) 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 7 ways as a sum of consecutive naturals, for example, 15342 + ... + 16505.

It is an arithmetic number, because the mean of its divisors is an integer number (2340828).

Almost surely, 218534954 is an apocalyptic number.

18534954 is an abundant number, since it is smaller than the sum of its proper divisors (18918294).

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

18534954 is a wasteful number, since it uses less digits than its factorization.

18534954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31949.

The product of its digits is 86400, while the sum is 39.

The square root of 18534954 is about 4305.2240359823. The cubic root of 18534954 is about 264.6450879529.

The spelling of 18534954 in words is "eighteen million, five hundred thirty-four thousand, nine hundred fifty-four".

Divisors: 1 2 3 6 97 194 291 582 31847 63694 95541 191082 3089159 6178318 9267477 18534954