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1344233421 = 3337241887
BaseRepresentation
bin101000000011111…
…0101111111001101
310110200102010121000
41100013311333031
510223110432141
6341215330513
745211536606
oct12007657715
93420363530
101344233421
1162a86a513
12316220a39
131856546bb
14ca756dad
157d02b5b6
hex501f5fcd

1344233421 has 48 divisors (see below), whose sum is σ = 2099018880. Its totient is φ = 849709440.

The previous prime is 1344233419. The next prime is 1344233431. The reversal of 1344233421 is 1243324431.

1344233421 is a `hidden beast` number, since 1 + 3 + 4 + 4 + 233 + 421 = 666.

It is not a de Polignac number, because 1344233421 - 21 = 1344233419 is a prime.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1344233411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1515040 + ... + 1515926.

It is an arithmetic number, because the mean of its divisors is an integer number (43729560).

Almost surely, 21344233421 is an apocalyptic number.

It is an amenable number.

1344233421 is a deficient number, since it is larger than the sum of its proper divisors (754785459).

1344233421 is an equidigital number, since it uses as much as digits as its factorization.

1344233421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011 (or 968 counting only the distinct ones).

The product of its digits is 6912, while the sum is 27.

The square root of 1344233421 is about 36663.7889613171. The cubic root of 1344233421 is about 1103.6335548344.

Adding to 1344233421 its reverse (1243324431), we get a palindrome (2587557852).

The spelling of 1344233421 in words is "one billion, three hundred forty-four million, two hundred thirty-three thousand, four hundred twenty-one".

Divisors: 1 3 9 27 37 41 111 123 333 369 887 999 1107 1369 1517 2661 4107 4551 7983 12321 13653 23949 32819 36367 36963 40959 56129 98457 109101 168387 295371 327303 505161 886113 981909 1214303 1345579 1515483 3642909 4036737 10928727 12110211 32786181 36330633 49786423 149359269 448077807 1344233421