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80969228 = 2220242307
BaseRepresentation
bin1001101001101…
…11111000001100
312122100122220022
410310313320030
5131212003403
612011241312
72002140614
oct464677014
9178318808
1080969228
114178341a
1223149238
1313a0c5b2
14aa79a44
157195d38
hex4d37e0c

80969228 has 6 divisors (see below), whose sum is σ = 141696156. Its totient is φ = 40484612.

The previous prime is 80969201. The next prime is 80969261. The reversal of 80969228 is 82296908.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10121150 + ... + 10121157.

It is an arithmetic number, because the mean of its divisors is an integer number (23616026).

Almost surely, 280969228 is an apocalyptic number.

It is an amenable number.

80969228 is a deficient number, since it is larger than the sum of its proper divisors (60726928).

80969228 is a wasteful number, since it uses less digits than its factorization.

80969228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20242311 (or 20242309 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 80969228 is about 8998.2902820480. The cubic root of 80969228 is about 432.6200729131.

The spelling of 80969228 in words is "eighty million, nine hundred sixty-nine thousand, two hundred twenty-eight".

Divisors: 1 2 4 20242307 40484614 80969228