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73387343 = 139952457
BaseRepresentation
bin1000101111111…
…00110101001111
312010002110111202
410113330311033
5122241343333
611140540115
71550532161
oct427746517
9163073452
1073387343
1138474aa7
12206b163b
1312286583
149a64931
1566995e8
hex45fcd4f

73387343 has 4 divisors (see below), whose sum is σ = 73441200. Its totient is φ = 73333488.

The previous prime is 73387339. The next prime is 73387373. The reversal of 73387343 is 34378337.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 34378337 = 74911191.

It is a cyclic number.

It is not a de Polignac number, because 73387343 - 22 = 73387339 is a prime.

It is a super-2 number, since 2×733873432 = 10771404225199298, 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 = 73387297 and 73387306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73387333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24830 + ... + 27627.

It is an arithmetic number, because the mean of its divisors is an integer number (18360300).

Almost surely, 273387343 is an apocalyptic number.

73387343 is a deficient number, since it is larger than the sum of its proper divisors (53857).

73387343 is a wasteful number, since it uses less digits than its factorization.

73387343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53856.

The product of its digits is 127008, while the sum is 38.

The square root of 73387343 is about 8566.6412904942. The cubic root of 73387343 is about 418.6718114059.

The spelling of 73387343 in words is "seventy-three million, three hundred eighty-seven thousand, three hundred forty-three".

Divisors: 1 1399 52457 73387343