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4144365 = 375379
BaseRepresentation
bin1111110011110011101101
321210120000000
433303303231
52030104430
6224454513
750140461
oct17636355
97716000
104144365
1123807a5
12147a439
13b214b4
1479c4a1
1556ce60
hex3f3ced

4144365 has 32 divisors (see below), whose sum is σ = 7478400. Its totient is φ = 2204496.

The previous prime is 4144363. The next prime is 4144367. The reversal of 4144365 is 5634414.

Adding to 4144365 its reverse (5634414), we get a palindrome (9778779).

It is an interprime number because it is at equal distance from previous prime (4144363) and next prime (4144367).

It is not a de Polignac number, because 4144365 - 21 = 4144363 is a prime.

It is a super-2 number, since 2×41443652 = 34351522506450, which contains 22 as substring.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4144363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10746 + ... + 11124.

It is an arithmetic number, because the mean of its divisors is an integer number (233700).

Almost surely, 24144365 is an apocalyptic number.

4144365 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4144365 is a deficient number, since it is larger than the sum of its proper divisors (3334035).

4144365 is an frugal number, since it uses more digits than its factorization.

4144365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405 (or 387 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 4144365 is about 2035.7713525836. The cubic root of 4144365 is about 160.6272900601.

The spelling of 4144365 in words is "four million, one hundred forty-four thousand, three hundred sixty-five".

Divisors: 1 3 5 9 15 27 45 81 135 243 379 405 729 1137 1215 1895 2187 3411 3645 5685 10233 10935 17055 30699 51165 92097 153495 276291 460485 828873 1381455 4144365