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80969227 = 103786109
BaseRepresentation
bin1001101001101…
…11111000001011
312122100122220021
410310313320023
5131212003402
612011241311
72002140613
oct464677013
9178318807
1080969227
1141783419
1223149237
1313a0c5b1
14aa79a43
157195d37
hex4d37e0b

80969227 has 4 divisors (see below), whose sum is σ = 81755440. Its totient is φ = 80183016.

The previous prime is 80969201. The next prime is 80969261. The reversal of 80969227 is 72296908.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-80969227 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80969027) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 392952 + ... + 393157.

It is an arithmetic number, because the mean of its divisors is an integer number (20438860).

Almost surely, 280969227 is an apocalyptic number.

80969227 is a deficient number, since it is larger than the sum of its proper divisors (786213).

80969227 is a wasteful number, since it uses less digits than its factorization.

80969227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786212.

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 80969227 is about 8998.2902264819. The cubic root of 80969227 is about 432.6200711321.

The spelling of 80969227 in words is "eighty million, nine hundred sixty-nine thousand, two hundred twenty-seven".

Divisors: 1 103 786109 80969227