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80974727 = 599714149
BaseRepresentation
bin1001101001110…
…01001110000111
312122100221102222
410310321032013
5131212142402
612011322555
72002162631
oct464711607
9178327388
1080974727
1141787569
122315045b
1313a11c52
14aa7ba51
1571977a2
hex4d39387

80974727 has 8 divisors (see below), whose sum is σ = 83202000. Its totient is φ = 78776064.

The previous prime is 80974721. The next prime is 80974741. The reversal of 80974727 is 72747908.

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 80974727 - 220 = 79926151 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 (80974721) 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, 1352 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (10400250).

Almost surely, 280974727 is an apocalyptic number.

80974727 is a deficient number, since it is larger than the sum of its proper divisors (2227273).

80974727 is a wasteful number, since it uses less digits than its factorization.

80974727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14305.

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 80974727 is about 8998.5958349067. The cubic root of 80974727 is about 432.6298664441.

The spelling of 80974727 in words is "eighty million, nine hundred seventy-four thousand, seven hundred twenty-seven".

Divisors: 1 59 97 5723 14149 834791 1372453 80974727