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80544923 = 401320071
BaseRepresentation
bin1001100110100…
…00010010011011
312121120002212022
410303100102123
5131104414143
611554205055
71665422564
oct463202233
9177502768
1080544923
1141513658
1222b8378b
13138c1424
14a9a916b
157110268
hex4cd049b

80544923 has 4 divisors (see below), whose sum is σ = 80569008. Its totient is φ = 80520840.

The previous prime is 80544917. The next prime is 80544941. The reversal of 80544923 is 32944508.

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

It is a cyclic number.

It is not a de Polignac number, because 80544923 - 210 = 80543899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80544953) 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, 6023 + ... + 14048.

It is an arithmetic number, because the mean of its divisors is an integer number (20142252).

Almost surely, 280544923 is an apocalyptic number.

80544923 is a deficient number, since it is larger than the sum of its proper divisors (24085).

80544923 is a wasteful number, since it uses less digits than its factorization.

80544923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24084.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 80544923 is about 8974.6823342111. The cubic root of 80544923 is about 431.8630592331.

The spelling of 80544923 in words is "eighty million, five hundred forty-four thousand, nine hundred twenty-three".

Divisors: 1 4013 20071 80544923