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18897094 = 220894523
BaseRepresentation
bin100100000010…
…1100011000110
31022120001221101
41020011203012
514314201334
61513010314
7316423366
oct110054306
938501841
1018897094
11a737737
1263b399a
133bb8418
14271c9a6
1519d4214
hex12058c6

18897094 has 8 divisors (see below), whose sum is σ = 28365480. Its totient is φ = 9441936.

The previous prime is 18897049. The next prime is 18897113. The reversal of 18897094 is 49079881.

It is a happy number.

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

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, 1917 + ... + 6439.

It is an arithmetic number, because the mean of its divisors is an integer number (3545685).

Almost surely, 218897094 is an apocalyptic number.

18897094 is a deficient number, since it is larger than the sum of its proper divisors (9468386).

18897094 is a wasteful number, since it uses less digits than its factorization.

18897094 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 18897094 is about 4347.0787892561. The cubic root of 18897094 is about 266.3575477118.

The spelling of 18897094 in words is "eighteen million, eight hundred ninety-seven thousand, ninety-four".

Divisors: 1 2 2089 4178 4523 9046 9448547 18897094