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80026971 = 345195903
BaseRepresentation
bin1001100010100…
…01110101011011
312120120210100220
410301101311123
5130441330341
611535131123
71661134533
oct461216533
9176523326
1080026971
114119a4a2
1222973aa3
131376c74b
14a8b24c3
15705ba66
hex4c51d5b

80026971 has 8 divisors (see below), whose sum is σ = 106744320. Its totient is φ = 53330472.

The previous prime is 80026963. The next prime is 80027021. The reversal of 80026971 is 17962008.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 80026971 - 23 = 80026963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80026171) 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, 10606 + ... + 16508.

It is an arithmetic number, because the mean of its divisors is an integer number (13343040).

Almost surely, 280026971 is an apocalyptic number.

80026971 is a deficient number, since it is larger than the sum of its proper divisors (26717349).

80026971 is a wasteful number, since it uses less digits than its factorization.

80026971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10425.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 80026971 is about 8945.7795076785. The cubic root of 80026971 is about 430.9353552807.

Adding to 80026971 its reverse (17962008), we get a palindrome (97988979).

The spelling of 80026971 in words is "eighty million, twenty-six thousand, nine hundred seventy-one".

Divisors: 1 3 4519 5903 13557 17709 26675657 80026971