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1443420232 = 235319917107
BaseRepresentation
bin101011000001000…
…1101100001001000
310201121001100022121
41112002031201020
510424003421412
6355121301024
750524604152
oct12602154110
93647040277
101443420232
11680855a91
12343494774
131a0072017
14d99b5ad2
1586ac0107
hex5608d848

1443420232 has 32 divisors (see below), whose sum is σ = 2771496000. Its totient is φ = 704493504.

The previous prime is 1443420229. The next prime is 1443420281. The reversal of 1443420232 is 2320243441.

It is a happy number.

It is a super-2 number, since 2×14434202322 = 4166923932293867648, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1443420197 and 1443420206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75823 + ... + 92929.

It is an arithmetic number, because the mean of its divisors is an integer number (86609250).

Almost surely, 21443420232 is an apocalyptic number.

It is an amenable number.

1443420232 is a deficient number, since it is larger than the sum of its proper divisors (1328075768).

1443420232 is a wasteful number, since it uses less digits than its factorization.

1443420232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17365 (or 17361 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1443420232 is about 37992.3707078145. The cubic root of 1443420232 is about 1130.1365726282.

Adding to 1443420232 its reverse (2320243441), we get a palindrome (3763663673).

The spelling of 1443420232 in words is "one billion, four hundred forty-three million, four hundred twenty thousand, two hundred thirty-two".

Divisors: 1 2 4 8 53 106 199 212 398 424 796 1592 10547 17107 21094 34214 42188 68428 84376 136856 906671 1813342 3404293 3626684 6808586 7253368 13617172 27234344 180427529 360855058 721710116 1443420232