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445484072 = 23116775557
BaseRepresentation
bin11010100011011…
…000110000101000
31011001020221021002
4122203120300220
51403020442242
6112112134132
714016360245
oct3243306050
91131227232
10445484072
11209511860
12105237348
13713a8357
14432445cc
152919a432
hex1a8d8c28

445484072 has 32 divisors (see below), whose sum is σ = 924829920. Its totient is φ = 199467840.

The previous prime is 445484063. The next prime is 445484077. The reversal of 445484072 is 270484544.

It is not an unprimeable number, because it can be changed into a prime (445484077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31883 + ... + 43674.

It is an arithmetic number, because the mean of its divisors is an integer number (28900935).

Almost surely, 2445484072 is an apocalyptic number.

It is an amenable number.

445484072 is an abundant number, since it is smaller than the sum of its proper divisors (479345848).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

445484072 is a wasteful number, since it uses less digits than its factorization.

445484072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75641 (or 75637 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 38.

The square root of 445484072 is about 21106.4935979428. The cubic root of 445484072 is about 763.7374032422.

The spelling of 445484072 in words is "four hundred forty-five million, four hundred eighty-four thousand, seventy-two".

Divisors: 1 2 4 8 11 22 44 67 88 134 268 536 737 1474 2948 5896 75557 151114 302228 604456 831127 1662254 3324508 5062319 6649016 10124638 20249276 40498552 55685509 111371018 222742036 445484072