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16312273 is a prime number
BaseRepresentation
bin111110001110…
…011111010001
31010200202020021
4332032133101
513133443043
61341343441
7255436435
oct76163721
933622207
1016312273
11923171a
125567b81
1334c1a43
1422489c5
1516733ed
hexf8e7d1

16312273 has 2 divisors, whose sum is σ = 16312274. Its totient is φ = 16312272.

The previous prime is 16312271. The next prime is 16312277. The reversal of 16312273 is 37221361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8427409 + 7884864 = 2903^2 + 2808^2 .

It is a cyclic number.

It is not a de Polignac number, because 16312273 - 21 = 16312271 is a prime.

Together with 16312271, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (16312271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8156136 + 8156137.

It is an arithmetic number, because the mean of its divisors is an integer number (8156137).

Almost surely, 216312273 is an apocalyptic number.

It is an amenable number.

16312273 is a deficient number, since it is larger than the sum of its proper divisors (1).

16312273 is an equidigital number, since it uses as much as digits as its factorization.

16312273 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 25.

The square root of 16312273 is about 4038.8455033586. The cubic root of 16312273 is about 253.6129896868.

The spelling of 16312273 in words is "sixteen million, three hundred twelve thousand, two hundred seventy-three".