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1445911132 = 221721263399
BaseRepresentation
bin101011000101110…
…1101101001011100
310201202201220012011
41112023231221130
510430123124012
6355250521004
750555020231
oct12613555134
93652656164
101445911132
116821a7486
12344296164
131a0734a23
14da063788
1586e131a7
hex562eda5c

1445911132 has 12 divisors (see below), whose sum is σ = 2679188400. Its totient is φ = 680428736.

The previous prime is 1445911111. The next prime is 1445911133. The reversal of 1445911132 is 2311195441.

It is a junction number, because it is equal to n+sod(n) for n = 1445911094 and 1445911103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1445911133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10631632 + ... + 10631767.

It is an arithmetic number, because the mean of its divisors is an integer number (223265700).

Almost surely, 21445911132 is an apocalyptic number.

It is an amenable number.

1445911132 is a deficient number, since it is larger than the sum of its proper divisors (1233277268).

1445911132 is a wasteful number, since it uses less digits than its factorization.

1445911132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21263420 (or 21263418 counting only the distinct ones).

The product of its digits is 4320, while the sum is 31.

The square root of 1445911132 is about 38025.1381588549. The cubic root of 1445911132 is about 1130.7862885758.

The spelling of 1445911132 in words is "one billion, four hundred forty-five million, nine hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 4 17 34 68 21263399 42526798 85053596 361477783 722955566 1445911132