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4129481 = 21119571
BaseRepresentation
bin1111110000001011001001
321202210120202
433300023021
52024120411
6224301545
750046206
oct17601311
97683522
104129481
1123705a4
1214718b5
13b177a5
14796cad
1556883b
hex3f02c9

4129481 has 4 divisors (see below), whose sum is σ = 4149264. Its totient is φ = 4109700.

The previous prime is 4129439. The next prime is 4129493. The reversal of 4129481 is 1849214.

4129481 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4129481 - 214 = 4113097 is a prime.

It is a super-2 number, since 2×41294812 = 34105226658722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4129381) 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 3 ways as a sum of consecutive naturals, for example, 9575 + ... + 9996.

It is an arithmetic number, because the mean of its divisors is an integer number (1037316).

Almost surely, 24129481 is an apocalyptic number.

It is an amenable number.

4129481 is a deficient number, since it is larger than the sum of its proper divisors (19783).

4129481 is a wasteful number, since it uses less digits than its factorization.

4129481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19782.

The product of its digits is 2304, while the sum is 29.

The square root of 4129481 is about 2032.1124476761. The cubic root of 4129481 is about 160.4347680554.

The spelling of 4129481 in words is "four million, one hundred twenty-nine thousand, four hundred eighty-one".

Divisors: 1 211 19571 4129481