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1145030446 = 27312638319
BaseRepresentation
bin100010000111111…
…1100011100101110
32221210120120111001
41010033330130232
54321111433241
6305341550514
740242412120
oct10417743456
92853516431
101145030446
1153838135a
1227b57543a
131532b9111
14ac101210
156a7cd431
hex443fc72e

1145030446 has 16 divisors (see below), whose sum is σ = 2026229760. Its totient is φ = 474897240.

The previous prime is 1145030441. The next prime is 1145030473. The reversal of 1145030446 is 6440305411.

It is a super-2 number, since 2×11450304462 = 2622189444533917832, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1145030441) 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 7 ways as a sum of consecutive naturals, for example, 1318726 + ... + 1319593.

It is an arithmetic number, because the mean of its divisors is an integer number (126639360).

Almost surely, 21145030446 is an apocalyptic number.

1145030446 is a deficient number, since it is larger than the sum of its proper divisors (881199314).

1145030446 is a wasteful number, since it uses less digits than its factorization.

1145030446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638359.

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 1145030446 is about 33838.2985092336. The cubic root of 1145030446 is about 1046.1782292169.

Adding to 1145030446 its reverse (6440305411), we get a palindrome (7585335857).

The spelling of 1145030446 in words is "one billion, one hundred forty-five million, thirty thousand, four hundred forty-six".

Divisors: 1 2 7 14 31 62 217 434 2638319 5276638 18468233 36936466 81787889 163575778 572515223 1145030446