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80747323 = 136759069
BaseRepresentation
bin1001101000000…
…01101100111011
312121221101111121
410310001230323
5131132403243
612002410111
72000224636
oct464015473
9177841447
1080747323
1141641728
1223060937
13139625a7
14aa1cc1d
1571501ed
hex4d01b3b

80747323 has 4 divisors (see below), whose sum is σ = 80807760. Its totient is φ = 80686888.

The previous prime is 80747299. The next prime is 80747333. The reversal of 80747323 is 32374708.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80747323 - 29 = 80746811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80747333) 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 3 ways as a sum of consecutive naturals, for example, 28168 + ... + 30901.

It is an arithmetic number, because the mean of its divisors is an integer number (20201940).

Almost surely, 280747323 is an apocalyptic number.

80747323 is a deficient number, since it is larger than the sum of its proper divisors (60437).

80747323 is a wasteful number, since it uses less digits than its factorization.

80747323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60436.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 80747323 is about 8985.9514243067. The cubic root of 80747323 is about 432.2244971558.

The spelling of 80747323 in words is "eighty million, seven hundred forty-seven thousand, three hundred twenty-three".

Divisors: 1 1367 59069 80747323