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4216881 = 34397337
BaseRepresentation
bin10000000101100000110001
321221020110210
4100011200301
52034420011
6230214333
750562054
oct20054061
97836423
104216881
112420229
1214b43a9
13b484c6
147baa9b
155846a6
hex405831

4216881 has 16 divisors (see below), whose sum is σ = 5829824. Its totient is φ = 2709504.

The previous prime is 4216871. The next prime is 4216897. The reversal of 4216881 is 1886124.

It is not a de Polignac number, because 4216881 - 27 = 4216753 is a prime.

It is a super-2 number, since 2×42168812 = 35564170736322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4216801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12345 + ... + 12681.

It is an arithmetic number, because the mean of its divisors is an integer number (364364).

Almost surely, 24216881 is an apocalyptic number.

It is an amenable number.

4216881 is a deficient number, since it is larger than the sum of its proper divisors (1612943).

4216881 is a wasteful number, since it uses less digits than its factorization.

4216881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480.

The product of its digits is 3072, while the sum is 30.

The square root of 4216881 is about 2053.5045653711. The cubic root of 4216881 is about 161.5587366667.

The spelling of 4216881 in words is "four million, two hundred sixteen thousand, eight hundred eighty-one".

Divisors: 1 3 43 97 129 291 337 1011 4171 12513 14491 32689 43473 98067 1405627 4216881