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73493797 = 138963521
BaseRepresentation
bin1000110000101…
…10110100100101
312010021212112111
410120112310211
5122303300142
611143121021
71551454426
oct430266445
9163255474
1073493797
1138537a83
1220743171
13122c2b70
149a9164d
1566bae17
hex4616d25

73493797 has 8 divisors (see below), whose sum is σ = 80037720. Its totient is φ = 67077120.

The previous prime is 73493789. The next prime is 73493807. The reversal of 73493797 is 79739437.

It can be written as a sum of positive squares in 4 ways, for example, as 749956 + 72743841 = 866^2 + 8529^2 .

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 73493797 - 23 = 73493789 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 73493797.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73490797) 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, 30604 + ... + 32917.

It is an arithmetic number, because the mean of its divisors is an integer number (10004715).

Almost surely, 273493797 is an apocalyptic number.

It is an amenable number.

73493797 is a deficient number, since it is larger than the sum of its proper divisors (6543923).

73493797 is a wasteful number, since it uses less digits than its factorization.

73493797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63623.

The product of its digits is 1000188, while the sum is 49.

The square root of 73493797 is about 8572.8523258015. The cubic root of 73493797 is about 418.8741521827.

The spelling of 73493797 in words is "seventy-three million, four hundred ninety-three thousand, seven hundred ninety-seven".

Divisors: 1 13 89 1157 63521 825773 5653369 73493797