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80160073 = 76722551
BaseRepresentation
bin1001100011100…
…10010101001001
312120211112221121
410301302111021
5131010110243
611542035241
71662230560
oct461622511
9176745847
1080160073
11412804a4
1222a18b21
13137b81c6
14a908bd7
1570861ed
hex4c72549

80160073 has 12 divisors (see below), whose sum is σ = 93035712. Its totient is φ = 67656600.

The previous prime is 80160001. The next prime is 80160077. The reversal of 80160073 is 37006108.

It is not a de Polignac number, because 80160073 - 29 = 80159561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80160077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30148 + ... + 32698.

It is an arithmetic number, because the mean of its divisors is an integer number (7752976).

Almost surely, 280160073 is an apocalyptic number.

It is an amenable number.

80160073 is a deficient number, since it is larger than the sum of its proper divisors (12875639).

80160073 is an equidigital number, since it uses as much as digits as its factorization.

80160073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2692 (or 2625 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 80160073 is about 8953.2157909882. The cubic root of 80160073 is about 431.1741355592.

The spelling of 80160073 in words is "eighty million, one hundred sixty thousand, seventy-three".

Divisors: 1 7 67 469 2551 4489 17857 31423 170917 1196419 11451439 80160073