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80545064 = 2329347177
BaseRepresentation
bin1001100110100…
…00010100101000
312121120010001112
410303100110220
5131104420224
611554205452
71665423155
oct463202450
9177503045
1080545064
1141513776
1222b83888
13138c1502
14a9a922c
15711030e
hex4cd0528

80545064 has 16 divisors (see below), whose sum is σ = 156230100. Its totient is φ = 38883712.

The previous prime is 80545043. The next prime is 80545067. The reversal of 80545064 is 46054508.

It can be written as a sum of positive squares in 2 ways, for example, as 69588964 + 10956100 = 8342^2 + 3310^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 80545064.

It is not an unprimeable number, because it can be changed into a prime (80545067) 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, 173357 + ... + 173820.

Almost surely, 280545064 is an apocalyptic number.

It is an amenable number.

80545064 is a deficient number, since it is larger than the sum of its proper divisors (75685036).

80545064 is a wasteful number, since it uses less digits than its factorization.

80545064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347212 (or 347208 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 80545064 is about 8974.6901896389. The cubic root of 80545064 is about 431.8633112360.

The spelling of 80545064 in words is "eighty million, five hundred forty-five thousand, sixty-four".

Divisors: 1 2 4 8 29 58 116 232 347177 694354 1388708 2777416 10068133 20136266 40272532 80545064