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18952814 = 29476407
BaseRepresentation
bin100100001001…
…1001001101110
31022122220101002
41020103021232
514322442224
61514120302
7320045006
oct110231156
938586332
1018952814
11a775591
126420092
133c078aa
142735006
1519e59ae
hex121326e

18952814 has 4 divisors (see below), whose sum is σ = 28429224. Its totient is φ = 9476406.

The previous prime is 18952799. The next prime is 18952819. The reversal of 18952814 is 41825981.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18952819) 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 as a sum of consecutive naturals, namely, 4738202 + ... + 4738205.

It is an arithmetic number, because the mean of its divisors is an integer number (7107306).

Almost surely, 218952814 is an apocalyptic number.

18952814 is a deficient number, since it is larger than the sum of its proper divisors (9476410).

18952814 is an equidigital number, since it uses as much as digits as its factorization.

18952814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9476409.

The product of its digits is 23040, while the sum is 38.

The square root of 18952814 is about 4353.4829734363. The cubic root of 18952814 is about 266.6190849132.

The spelling of 18952814 in words is "eighteen million, nine hundred fifty-two thousand, eight hundred fourteen".

Divisors: 1 2 9476407 18952814