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73483681 is a prime number
BaseRepresentation
bin1000110000101…
…00010110100001
312010021100122211
410120110112201
5122302434211
611143002121
71551413065
oct430242641
9163240584
1073483681
1138530417
1220739341
13122bb38b
149a8baa5
1566b7e21
hex46145a1

73483681 has 2 divisors, whose sum is σ = 73483682. Its totient is φ = 73483680.

The previous prime is 73483679. The next prime is 73483691. The reversal of 73483681 is 18638437.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67914081 + 5569600 = 8241^2 + 2360^2 .

It is a cyclic number.

It is not a de Polignac number, because 73483681 - 21 = 73483679 is a prime.

It is a super-2 number, since 2×734836812 = 10799702746619522, which contains 22 as substring.

Together with 73483679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (73483691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36741840 + 36741841.

It is an arithmetic number, because the mean of its divisors is an integer number (36741841).

Almost surely, 273483681 is an apocalyptic number.

It is an amenable number.

73483681 is a deficient number, since it is larger than the sum of its proper divisors (1).

73483681 is an equidigital number, since it uses as much as digits as its factorization.

73483681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 96768, while the sum is 40.

The square root of 73483681 is about 8572.2623034996. The cubic root of 73483681 is about 418.8549327586.

The spelling of 73483681 in words is "seventy-three million, four hundred eighty-three thousand, six hundred eighty-one".