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1445046928 = 241350913649
BaseRepresentation
bin101011000100001…
…1010101010010000
310201201002222201121
41112020122222100
510424413000203
6355220212024
750544460543
oct12610325220
93651088647
101445046928
11681767166
12343b3a014
131a04c1570
14d9cba85a
1586ce20bd
hex5621aa90

1445046928 has 40 divisors (see below), whose sum is σ = 3021291000. Its totient is φ = 665585664.

The previous prime is 1445046871. The next prime is 1445046929. The reversal of 1445046928 is 8296405441.

It can be written as a sum of positive squares in 4 ways, for example, as 27373824 + 1417673104 = 5232^2 + 37652^2 .

It is a hoax number, since the sum of its digits (43) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (1445046929) 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, 99048 + ... + 112696.

It is an arithmetic number, because the mean of its divisors is an integer number (75532275).

Almost surely, 21445046928 is an apocalyptic number.

It is an amenable number.

1445046928 is an abundant number, since it is smaller than the sum of its proper divisors (1576244072).

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

1445046928 is a wasteful number, since it uses less digits than its factorization.

1445046928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14179 (or 14173 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 1445046928 is about 38013.7728724735. The cubic root of 1445046928 is about 1130.5609578092.

The spelling of 1445046928 in words is "one billion, four hundred forty-five million, forty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 4 8 13 16 26 52 104 208 509 1018 2036 4072 6617 8144 13234 13649 26468 27298 52936 54596 105872 109192 177437 218384 354874 709748 1419496 2838992 6947341 13894682 27789364 55578728 90315433 111157456 180630866 361261732 722523464 1445046928