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1443402242 = 243471033467
BaseRepresentation
bin101011000001000…
…1001001000000010
310201121000102122022
41112002021020002
510424002332432
6355121041442
750524500542
oct12602111002
93647012568
101443402242
11680843517
12343486282
131a0066a89
14d99ad322
1586ab9b12
hex56089202

1443402242 has 32 divisors (see below), whose sum is σ = 2285217792. Its totient is φ = 683023824.

The previous prime is 1443402229. The next prime is 1443402251. The reversal of 1443402242 is 2422043441.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 414593 + ... + 418059.

It is an arithmetic number, because the mean of its divisors is an integer number (71413056).

Almost surely, 21443402242 is an apocalyptic number.

1443402242 is a deficient number, since it is larger than the sum of its proper divisors (841815550).

1443402242 is a wasteful number, since it uses less digits than its factorization.

1443402242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3662.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1443402242 is about 37992.1339490163. The cubic root of 1443402242 is about 1130.1318774741.

Adding to 1443402242 its reverse (2422043441), we get a palindrome (3865445683).

The spelling of 1443402242 in words is "one billion, four hundred forty-three million, four hundred two thousand, two hundred forty-two".

Divisors: 1 2 43 47 86 94 103 206 2021 3467 4042 4429 4841 6934 8858 9682 149081 162949 208163 298162 325898 357101 416326 714202 7006807 14013614 15355343 16783747 30710686 33567494 721701121 1443402242