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1330275445 = 58312232621
BaseRepresentation
bin100111101001010…
…0110010001110101
310102201010222211221
41033102212101311
510211022303240
6340000230341
744652104032
oct11722462165
93381128757
101330275445
116229a66a4
1231160b3b1
131827a8445
14c8962389
157bbc0a4a
hex4f4a6475

1330275445 has 16 divisors (see below), whose sum is σ = 1617501312. Its totient is φ = 1050137920.

The previous prime is 1330275439. The next prime is 1330275469. The reversal of 1330275445 is 5445720331.

It is not a de Polignac number, because 1330275445 - 211 = 1330273397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1330275445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 506235 + ... + 508855.

It is an arithmetic number, because the mean of its divisors is an integer number (101093832).

Almost surely, 21330275445 is an apocalyptic number.

It is an amenable number.

1330275445 is a deficient number, since it is larger than the sum of its proper divisors (287225867).

1330275445 is a wasteful number, since it uses less digits than its factorization.

1330275445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3932.

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 1330275445 is about 36472.9412715783. The cubic root of 1330275445 is about 1099.8003618416.

Adding to 1330275445 its reverse (5445720331), we get a palindrome (6775995776).

The spelling of 1330275445 in words is "one billion, three hundred thirty million, two hundred seventy-five thousand, four hundred forty-five".

Divisors: 1 5 83 415 1223 2621 6115 13105 101509 217543 507545 1087715 3205483 16027415 266055089 1330275445