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1443020414 = 211234721291
BaseRepresentation
bin101011000000010…
…1011111001111110
310201120022000212112
41112000223321332
510423403123124
6355104534022
750521320413
oct12600537176
93646260775
101443020414
11680602660
12343321312
1319cc62044
14d991010a
1586a4190e
hex5602be7e

1443020414 has 48 divisors (see below), whose sum is σ = 2519462016. Its totient is φ = 613575600.

The previous prime is 1443020393. The next prime is 1443020429. The reversal of 1443020414 is 4140203441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a self number, because there is not a number n which added to its sum of digits gives 1443020414.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1117109 + ... + 1118399.

It is an arithmetic number, because the mean of its divisors is an integer number (52488792).

Almost surely, 21443020414 is an apocalyptic number.

1443020414 is a deficient number, since it is larger than the sum of its proper divisors (1076441602).

1443020414 is a wasteful number, since it uses less digits than its factorization.

1443020414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421 (or 1374 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1443020414 is about 37987.1085238137. The cubic root of 1443020414 is about 1130.0322161698.

Adding to 1443020414 its reverse (4140203441), we get a palindrome (5583223855).

The spelling of 1443020414 in words is "one billion, four hundred forty-three million, twenty thousand, four hundred fourteen".

Divisors: 1 2 11 22 23 46 47 94 253 506 517 1034 1081 1291 2162 2209 2582 4418 11891 14201 23782 24299 28402 29693 48598 50807 59386 60677 101614 121354 326623 558877 653246 667447 1117754 1334894 1395571 2791142 2851819 5703638 15351281 30702562 31370009 62740018 65591837 131183674 721510207 1443020414