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1431441234 = 23461714321
BaseRepresentation
bin101010101010010…
…0000111101010010
310200202111202020000
41111110200331102
510412422104414
6354012430430
750321023026
oct12524407522
93622452200
101431441234
11675013a93
1233b478416
1319a739762
14d8178386
1585a05b09
hex55520f52

1431441234 has 40 divisors (see below), whose sum is σ = 3212911548. Its totient is φ = 476340480.

The previous prime is 1431441227. The next prime is 1431441251. The reversal of 1431441234 is 4321441341.

It can be written as a sum of positive squares in 2 ways, for example, as 911738025 + 519703209 = 30195^2 + 22797^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1431441198 and 1431441207.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 92794 + ... + 107114.

Almost surely, 21431441234 is an apocalyptic number.

1431441234 is an abundant number, since it is smaller than the sum of its proper divisors (1781470314).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1431441234 is a wasteful number, since it uses less digits than its factorization.

1431441234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14952 (or 14943 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 1431441234 is about 37834.3922113201. The cubic root of 1431441234 is about 1127.0015355375.

Adding to 1431441234 its reverse (4321441341), we get a palindrome (5752882575).

The spelling of 1431441234 in words is "one billion, four hundred thirty-one million, four hundred forty-one thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 27 54 81 162 617 1234 1851 3702 5553 11106 14321 16659 28642 33318 42963 49977 85926 99954 128889 257778 386667 773334 1160001 2320002 8836057 17672114 26508171 53016342 79524513 159049026 238573539 477147078 715720617 1431441234