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1443340052 = 2271117275657
BaseRepresentation
bin101011000000111…
…1001111100010100
310201120220021022222
41112001321330110
510423443340202
6355115441512
750524121330
oct12601717424
93646807288
101443340052
11680800820
12343456298
131a004468b
14d99947c0
1586aa64a2
hex56079f14

1443340052 has 48 divisors (see below), whose sum is σ = 3334359168. Its totient is φ = 529259520.

The previous prime is 1443340051. The next prime is 1443340081. The reversal of 1443340052 is 2500433441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443340051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132593 + ... + 143064.

It is an arithmetic number, because the mean of its divisors is an integer number (69465816).

Almost surely, 21443340052 is an apocalyptic number.

It is an amenable number.

1443340052 is an abundant number, since it is smaller than the sum of its proper divisors (1891019116).

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

1443340052 is a wasteful number, since it uses less digits than its factorization.

1443340052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275696 (or 275694 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 1443340052 is about 37991.3154813044. The cubic root of 1443340052 is about 1130.1156463989.

Adding to 1443340052 its reverse (2500433441), we get a palindrome (3943773493).

The spelling of 1443340052 in words is "one billion, four hundred forty-three million, three hundred forty thousand, fifty-two".

Divisors: 1 2 4 7 11 14 17 22 28 34 44 68 77 119 154 187 238 308 374 476 748 1309 2618 5236 275657 551314 1102628 1929599 3032227 3859198 4686169 6064454 7718396 9372338 12128908 18744676 21225589 32803183 42451178 51547859 65606366 84902356 103095718 131212732 206191436 360835013 721670026 1443340052