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18012334 = 214236329
BaseRepresentation
bin100010010110…
…1100010101110
31020220010021111
41010231202232
514102343314
61442022234
7306050044
oct104554256
936803244
1018012334
11a192a2a
12604797a
1339687b2
14256c394
1518abec4
hex112d8ae

18012334 has 8 divisors (see below), whose sum is σ = 27041760. Its totient is φ = 8998416.

The previous prime is 18012329. The next prime is 18012341. The reversal of 18012334 is 43321081.

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

It is a super-2 number, since 2×180123342 = 648888352255112, which contains 22 as substring.

It is a congruent number.

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, 319 + ... + 6010.

It is an arithmetic number, because the mean of its divisors is an integer number (3380220).

Almost surely, 218012334 is an apocalyptic number.

18012334 is a deficient number, since it is larger than the sum of its proper divisors (9029426).

18012334 is a wasteful number, since it uses less digits than its factorization.

18012334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7754.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 18012334 is about 4244.0940140388. The cubic root of 18012334 is about 262.1339854284.

The spelling of 18012334 in words is "eighteen million, twelve thousand, three hundred thirty-four".

Divisors: 1 2 1423 2846 6329 12658 9006167 18012334