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80723493 = 332989759
BaseRepresentation
bin1001100111110…
…11111000100101
312121220011211000
410303323320211
5131131122433
612002103513
72000065314
oct463737045
9177804730
1080723493
1141625834
122304ab99
13139547a6
14aa1427b
157148113
hex4cfbe25

80723493 has 8 divisors (see below), whose sum is σ = 119590400. Its totient is φ = 53815644.

The previous prime is 80723477. The next prime is 80723509. The reversal of 80723493 is 39432708.

It is an interprime number because it is at equal distance from previous prime (80723477) and next prime (80723509).

It is not a de Polignac number, because 80723493 - 24 = 80723477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80723413) 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, 1494853 + ... + 1494906.

It is an arithmetic number, because the mean of its divisors is an integer number (14948800).

Almost surely, 280723493 is an apocalyptic number.

It is an amenable number.

80723493 is a deficient number, since it is larger than the sum of its proper divisors (38866907).

80723493 is a wasteful number, since it uses less digits than its factorization.

80723493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989768 (or 2989762 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 80723493 is about 8984.6253678158. The cubic root of 80723493 is about 432.1819738754.

The spelling of 80723493 in words is "eighty million, seven hundred twenty-three thousand, four hundred ninety-three".

Divisors: 1 3 9 27 2989759 8969277 26907831 80723493