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80493733 = 676011999
BaseRepresentation
bin1001100110000…
…11110010100101
312121110111122101
410303003302211
5131101244413
611553132101
71665120415
oct463036245
9177414571
1080493733
1141489151
1222b5a031
13138a4038
14a994645
1570eeedd
hex4cc3ca5

80493733 has 8 divisors (see below), whose sum is σ = 81872000. Its totient is φ = 79120800.

The previous prime is 80493731. The next prime is 80493737. The reversal of 80493733 is 33739408.

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 80493733 - 21 = 80493731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80493692 and 80493701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80493731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39268 + ... + 41266.

It is an arithmetic number, because the mean of its divisors is an integer number (10234000).

Almost surely, 280493733 is an apocalyptic number.

It is an amenable number.

80493733 is a deficient number, since it is larger than the sum of its proper divisors (1378267).

80493733 is a wasteful number, since it uses less digits than its factorization.

80493733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2667.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 80493733 is about 8971.8299694098. The cubic root of 80493733 is about 431.7715502376.

The spelling of 80493733 in words is "eighty million, four hundred ninety-three thousand, seven hundred thirty-three".

Divisors: 1 67 601 1999 40267 133933 1201399 80493733