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80464573 = 711494939
BaseRepresentation
bin1001100101111…
…00101010111101
312121102000122101
410302330222331
5131044331243
611552345101
71664636410
oct462745275
9177360571
1080464573
1141469252
1222b45191
1313893997
14a987b77
1570e654d
hex4cbcabd

80464573 has 4 divisors (see below), whose sum is σ = 91959520. Its totient is φ = 68969628.

The previous prime is 80464543. The next prime is 80464597. The reversal of 80464573 is 37546408.

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 de Polignac number, because none of the positive numbers 2k-80464573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80464543) 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, 5747463 + ... + 5747476.

It is an arithmetic number, because the mean of its divisors is an integer number (22989880).

Almost surely, 280464573 is an apocalyptic number.

It is an amenable number.

80464573 is a deficient number, since it is larger than the sum of its proper divisors (11494947).

80464573 is a wasteful number, since it uses less digits than its factorization.

80464573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11494946.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 80464573 is about 8970.2047356791. The cubic root of 80464573 is about 431.7194054780.

The spelling of 80464573 in words is "eighty million, four hundred sixty-four thousand, five hundred seventy-three".

Divisors: 1 7 11494939 80464573