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445743044 = 22155971479
BaseRepresentation
bin11010100100010…
…111111111000100
31011001202002111122
4122210113333010
51403102234134
6112121453112
714021516255
oct3244277704
91131662448
10445743044
1120967938a
12105341198
13714691a6
14432b0b2c
15291ec02e
hex1a917fc4

445743044 has 12 divisors (see below), whose sum is σ = 780561600. Its totient is φ = 222725448.

The previous prime is 445742993. The next prime is 445743049. The reversal of 445743044 is 440347544.

It is a super-2 number, since 2×4457430442 = 397373722548771872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 445742995 and 445743013.

It is not an unprimeable number, because it can be changed into a prime (445743049) 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, 29504 + ... + 41975.

It is an arithmetic number, because the mean of its divisors is an integer number (65046800).

Almost surely, 2445743044 is an apocalyptic number.

It is an amenable number.

445743044 is a deficient number, since it is larger than the sum of its proper divisors (334818556).

445743044 is a wasteful number, since it uses less digits than its factorization.

445743044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73042 (or 73040 counting only the distinct ones).

The product of its (nonzero) digits is 107520, while the sum is 35.

The square root of 445743044 is about 21112.6275958252. The cubic root of 445743044 is about 763.8853683445.

The spelling of 445743044 in words is "four hundred forty-five million, seven hundred forty-three thousand, forty-four".

Divisors: 1 2 4 1559 3118 6236 71479 142958 285916 111435761 222871522 445743044