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16494131 = 177313291
BaseRepresentation
bin111110111010…
…111000110011
31011000222200202
4332322320303
513210303011
61345305415
7260124563
oct76727063
934028622
1016494131
119346315
12563526b
133556754
142294da3
1516ac23b
hexfbae33

16494131 has 8 divisors (see below), whose sum is σ = 17704944. Its totient is φ = 15310080.

The previous prime is 16494091. The next prime is 16494167. The reversal of 16494131 is 13149461.

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

It is a cyclic number.

It is not a de Polignac number, because 16494131 - 26 = 16494067 is a prime.

It is a super-2 number, since 2×164941312 = 544112714890322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 16494094 and 16494103.

It is not an unprimeable number, because it can be changed into a prime (16494031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5405 + ... + 7886.

It is an arithmetic number, because the mean of its divisors is an integer number (2213118).

Almost surely, 216494131 is an apocalyptic number.

16494131 is a deficient number, since it is larger than the sum of its proper divisors (1210813).

16494131 is a wasteful number, since it uses less digits than its factorization.

16494131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13381.

The product of its digits is 2592, while the sum is 29.

The square root of 16494131 is about 4061.2967141050. The cubic root of 16494131 is about 254.5519802014.

The spelling of 16494131 in words is "sixteen million, four hundred ninety-four thousand, one hundred thirty-one".

Divisors: 1 17 73 1241 13291 225947 970243 16494131