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18614434 = 212297573
BaseRepresentation
bin100011100000…
…0100010100010
31022000201012111
41013000202202
514231130214
61502545534
7314135326
oct107004242
938021174
1018614434
11a564333
1262982aa
133b19877
142687986
15197a5c4
hex11c08a2

18614434 has 8 divisors (see below), whose sum is σ = 27948060. Its totient is φ = 9298416.

The previous prime is 18614413. The next prime is 18614443. The reversal of 18614434 is 43441681.

It can be written as a sum of positive squares in 2 ways, for example, as 10791225 + 7823209 = 3285^2 + 2797^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18614396 and 18614405.

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, 1329 + ... + 6244.

Almost surely, 218614434 is an apocalyptic number.

18614434 is a deficient number, since it is larger than the sum of its proper divisors (9333626).

18614434 is a wasteful number, since it uses less digits than its factorization.

18614434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8804.

The product of its digits is 9216, while the sum is 31.

The square root of 18614434 is about 4314.4448078519. Note that the first 3 decimals coincide. The cubic root of 18614434 is about 265.0228246627.

The spelling of 18614434 in words is "eighteen million, six hundred fourteen thousand, four hundred thirty-four".

Divisors: 1 2 1229 2458 7573 15146 9307217 18614434