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1443420230 = 25720620289
BaseRepresentation
bin101011000001000…
…1101100001000110
310201121001100022112
41112002031201012
510424003421410
6355121301022
750524604150
oct12602154106
93647040275
101443420230
11680855a8a
12343494772
131a0072015
14d99b5ad0
1586ac0105
hex5608d846

1443420230 has 16 divisors (see below), whose sum is σ = 2969321760. Its totient is φ = 494886912.

The previous prime is 1443420229. The next prime is 1443420281. The reversal of 1443420230 is 320243441.

It is a junction number, because it is equal to n+sod(n) for n = 1443420196 and 1443420205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10310075 + ... + 10310214.

It is an arithmetic number, because the mean of its divisors is an integer number (185582610).

Almost surely, 21443420230 is an apocalyptic number.

1443420230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1443420230 is an abundant number, since it is smaller than the sum of its proper divisors (1525901530).

1443420230 is a wasteful number, since it uses less digits than its factorization.

1443420230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20620303.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 1443420230 is about 37992.3706814934. The cubic root of 1443420230 is about 1130.1365721062.

Adding to 1443420230 its reverse (320243441), we get a palindrome (1763663671).

The spelling of 1443420230 in words is "one billion, four hundred forty-three million, four hundred twenty thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 70 20620289 41240578 103101445 144342023 206202890 288684046 721710115 1443420230