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4381481 = 134771101
BaseRepresentation
bin10000101101101100101001
322020121021002
4100231230221
52110201411
6233524345
752145666
oct20555451
98217232
104381481
112522965
1215736b5
13ba53c0
14820a6d
155b833b
hex42db29

4381481 has 16 divisors (see below), whose sum is σ = 4935168. Its totient is φ = 3864000.

The previous prime is 4381469. The next prime is 4381493. The reversal of 4381481 is 1841834.

It is an interprime number because it is at equal distance from previous prime (4381469) and next prime (4381493).

It is a cyclic number.

It is not a de Polignac number, because 4381481 - 222 = 187177 is a prime.

It is a super-2 number, since 2×43814812 = 38394751506722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4381411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43331 + ... + 43431.

It is an arithmetic number, because the mean of its divisors is an integer number (308448).

Almost surely, 24381481 is an apocalyptic number.

It is an amenable number.

4381481 is a deficient number, since it is larger than the sum of its proper divisors (553687).

4381481 is a wasteful number, since it uses less digits than its factorization.

4381481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232.

The product of its digits is 3072, while the sum is 29.

The square root of 4381481 is about 2093.1987483275. The cubic root of 4381481 is about 163.6340367327.

The spelling of 4381481 in words is "four million, three hundred eighty-one thousand, four hundred eighty-one".

Divisors: 1 13 47 71 101 611 923 1313 3337 4747 7171 43381 61711 93223 337037 4381481