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445054044 = 223269137873
BaseRepresentation
bin11010100001101…
…111110001011100
31011000110002101010
4122201233301130
51402413212134
6112055015220
714012616441
oct3241576134
91130402333
10445054044
11209248766
1210506a510
13712876b6
14431719c8
1529112ce9
hex1a86fc5c

445054044 has 24 divisors (see below), whose sum is σ = 1042327440. Its totient is φ = 147798784.

The previous prime is 445054031. The next prime is 445054061. The reversal of 445054044 is 440450544.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65709 + ... + 72164.

It is an arithmetic number, because the mean of its divisors is an integer number (43430310).

Almost surely, 2445054044 is an apocalyptic number.

It is an amenable number.

445054044 is an abundant number, since it is smaller than the sum of its proper divisors (597273396).

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

445054044 is a wasteful number, since it uses less digits than its factorization.

445054044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138149 (or 138147 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 30.

The square root of 445054044 is about 21096.3040364894. The cubic root of 445054044 is about 763.4915776162.

The spelling of 445054044 in words is "four hundred forty-five million, fifty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 269 538 807 1076 1614 3228 137873 275746 413619 551492 827238 1654476 37087837 74175674 111263511 148351348 222527022 445054044