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1445031214 = 21188774051
BaseRepresentation
bin101011000100001…
…0110110100101110
310201201002012011121
41112020112310232
510424411444324
6355220011154
750544363664
oct12610266456
93651065147
101445031214
11681756380
12343b30aba
131a04b7373
14d9cb4c34
1586cdc5e4
hex56216d2e

1445031214 has 16 divisors (see below), whose sum is σ = 2367294336. Its totient is φ = 656083000.

The previous prime is 1445031209. The next prime is 1445031221. The reversal of 1445031214 is 4121305441.

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, 17512 + ... + 56539.

It is an arithmetic number, because the mean of its divisors is an integer number (147955896).

Almost surely, 21445031214 is an apocalyptic number.

1445031214 is a deficient number, since it is larger than the sum of its proper divisors (922263122).

1445031214 is a wasteful number, since it uses less digits than its factorization.

1445031214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74951.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 1445031214 is about 38013.5661836666. The cubic root of 1445031214 is about 1130.5568597418.

Adding to 1445031214 its reverse (4121305441), we get a palindrome (5566336655).

The spelling of 1445031214 in words is "one billion, four hundred forty-five million, thirty-one thousand, two hundred fourteen".

Divisors: 1 2 11 22 887 1774 9757 19514 74051 148102 814561 1629122 65683237 131366474 722515607 1445031214