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18714274 = 227133449
BaseRepresentation
bin100011101100…
…0111010100010
31022012210011021
41013120322202
514242324044
61505040054
7315032365
oct107307242
938183137
1018714274
11a622347
12632602a
133b53147
1426b20dc
151999e84
hex11d8ea2

18714274 has 8 divisors (see below), whose sum is σ = 28089900. Its totient is φ = 9350976.

The previous prime is 18714257. The next prime is 18714281. The reversal of 18714274 is 47241781.

It can be written as a sum of positive squares in 2 ways, for example, as 18705625 + 8649 = 4325^2 + 93^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 7150.

Almost surely, 218714274 is an apocalyptic number.

18714274 is a deficient number, since it is larger than the sum of its proper divisors (9375626).

18714274 is a wasteful number, since it uses less digits than its factorization.

18714274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6164.

The product of its digits is 12544, while the sum is 34.

The square root of 18714274 is about 4325.9997688396. Note that the first 3 decimals coincide. The cubic root of 18714274 is about 265.4958037269.

The spelling of 18714274 in words is "eighteen million, seven hundred fourteen thousand, two hundred seventy-four".

Divisors: 1 2 2713 3449 5426 6898 9357137 18714274