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1445034409 = 713231394967
BaseRepresentation
bin101011000100001…
…0111100110101001
310201201002100112221
41112020113212221
510424412100114
6355220034041
750544406210
oct12610274651
93651070487
101445034409
11681758815
12343b32921
131a04b8960
14d9cb6077
1586cdd524
hex562179a9

1445034409 has 32 divisors (see below), whose sum is σ = 1869557760. Its totient is φ = 1085527872.

The previous prime is 1445034401. The next prime is 1445034419. The reversal of 1445034409 is 9044305441.

It is not a de Polignac number, because 1445034409 - 23 = 1445034401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1445034401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 288444 + ... + 293410.

It is an arithmetic number, because the mean of its divisors is an integer number (58423680).

Almost surely, 21445034409 is an apocalyptic number.

It is an amenable number.

1445034409 is a deficient number, since it is larger than the sum of its proper divisors (424523351).

1445034409 is a wasteful number, since it uses less digits than its factorization.

1445034409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5149.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 1445034409 is about 38013.6082081141. The cubic root of 1445034409 is about 1130.5576929710.

The spelling of 1445034409 in words is "one billion, four hundred forty-five million, thirty-four thousand, four hundred nine".

Divisors: 1 7 13 23 91 139 161 299 973 1807 2093 3197 4967 12649 22379 34769 41561 64571 114241 290927 451997 690413 799687 1485133 4832891 8975369 10395931 15879499 62827583 111156493 206433487 1445034409