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18514274 = 219334789
BaseRepresentation
bin100011010100…
…0000101100010
31021211121210212
41012220011202
514214424044
61500454122
7313240322
oct106500542
937747725
1018514274
11a4a6059
12624a342
133ab30bc
14265d282
15195aa9e
hex11a8162

18514274 has 8 divisors (see below), whose sum is σ = 27791580. Its totient is φ = 9250416.

The previous prime is 18514273. The next prime is 18514277. The reversal of 18514274 is 47241581.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18003049 + 511225 = 4243^2 + 715^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 18514274.

It is not an unprimeable number, because it can be changed into a prime (18514273) 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, 1472 + ... + 6260.

Almost surely, 218514274 is an apocalyptic number.

18514274 is a deficient number, since it is larger than the sum of its proper divisors (9277306).

18514274 is a wasteful number, since it uses less digits than its factorization.

18514274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6724.

The product of its digits is 8960, while the sum is 32.

The square root of 18514274 is about 4302.8216323710. The cubic root of 18514274 is about 264.5466271907.

The spelling of 18514274 in words is "eighteen million, five hundred fourteen thousand, two hundred seventy-four".

Divisors: 1 2 1933 3866 4789 9578 9257137 18514274