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18984046 = 275712539
BaseRepresentation
bin100100001101…
…0110001101110
31022201111012211
41020122301232
514324442141
61514521034
7320235034
oct110326156
938644184
1018984046
11a796aa4
12643617a
133c18b83
142742554
1519eed81
hex121ac6e

18984046 has 8 divisors (see below), whose sum is σ = 28515960. Its totient is φ = 9478728.

The previous prime is 18984029. The next prime is 18984073. The reversal of 18984046 is 64048981.

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, 4756 + ... + 7783.

It is an arithmetic number, because the mean of its divisors is an integer number (3564495).

Almost surely, 218984046 is an apocalyptic number.

18984046 is a deficient number, since it is larger than the sum of its proper divisors (9531914).

18984046 is a wasteful number, since it uses less digits than its factorization.

18984046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13298.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 18984046 is about 4357.0685099043. The cubic root of 18984046 is about 266.7654568002.

It can be divided in two parts, 18 and 984046, that added together give a square (984064 = 9922).

The spelling of 18984046 in words is "eighteen million, nine hundred eighty-four thousand, forty-six".

Divisors: 1 2 757 1514 12539 25078 9492023 18984046