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1443141442 = 229143917291
BaseRepresentation
bin101011000000100…
…1001011101000010
310201120112011220001
41112001021131002
510423421011232
6355111310214
750522333311
oct12601113502
93646464801
101443141442
11680685586
1234337b36a
1319cca5162
14d9942278
1586a676e7
hex56049742

1443141442 has 16 divisors (see below), whose sum is σ = 2241043200. Its totient is φ = 696164560.

The previous prime is 1443141397. The next prime is 1443141443. The reversal of 1443141442 is 2441413441.

It is a self number, because there is not a number n which added to its sum of digits gives 1443141442.

It is not an unprimeable number, because it can be changed into a prime (1443141443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74817 + ... + 92107.

It is an arithmetic number, because the mean of its divisors is an integer number (140065200).

Almost surely, 21443141442 is an apocalyptic number.

1443141442 is a deficient number, since it is larger than the sum of its proper divisors (797901758).

1443141442 is a wasteful number, since it uses less digits than its factorization.

1443141442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18761.

The product of its digits is 6144, while the sum is 28.

The square root of 1443141442 is about 37988.7015045263. The cubic root of 1443141442 is about 1130.0638077108.

Adding to 1443141442 its reverse (2441413441), we get a palindrome (3884554883).

The spelling of 1443141442 in words is "one billion, four hundred forty-three million, one hundred forty-one thousand, four hundred forty-two".

Divisors: 1 2 29 58 1439 2878 17291 34582 41731 83462 501439 1002878 24881749 49763498 721570721 1443141442