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80467969 = 325924691
BaseRepresentation
bin1001100101111…
…01100000000001
312121102012022011
410302331200001
5131044433334
611552412521
71664652331
oct462754001
9177365264
1080467969
114147085a
1222b47141
13138953aa
14a9890c1
1570e7564
hex4cbd801

80467969 has 4 divisors (see below), whose sum is σ = 80495920. Its totient is φ = 80440020.

The previous prime is 80467963. The next prime is 80467979. The reversal of 80467969 is 96976408.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 80467969 - 211 = 80465921 is a prime.

It is a super-2 number, since 2×804679692 = 12950188069969922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80467963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9087 + ... + 15604.

It is an arithmetic number, because the mean of its divisors is an integer number (20123980).

Almost surely, 280467969 is an apocalyptic number.

It is an amenable number.

80467969 is a deficient number, since it is larger than the sum of its proper divisors (27951).

80467969 is a wasteful number, since it uses less digits than its factorization.

80467969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27950.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 80467969 is about 8970.3940270202. The cubic root of 80467969 is about 431.7254789520.

The spelling of 80467969 in words is "eighty million, four hundred sixty-seven thousand, nine hundred sixty-nine".

Divisors: 1 3259 24691 80467969