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4428449 = 17331787
BaseRepresentation
bin10000111001001010100001
322022222200122
4100321022201
52113202244
6234530025
752432634
oct20711241
98288618
104428449
112555183
121596915
13bc08ac
14833c1b
155c71ee
hex4392a1

4428449 has 8 divisors (see below), whose sum is σ = 4709088. Its totient is φ = 4150080.

The previous prime is 4428439. The next prime is 4428467. The reversal of 4428449 is 9448244.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4428449 - 24 = 4428433 is a prime.

It is a super-2 number, since 2×44284492 = 39222321091202, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4428439) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5234 + ... + 6020.

It is an arithmetic number, because the mean of its divisors is an integer number (588636).

Almost surely, 24428449 is an apocalyptic number.

It is an amenable number.

4428449 is a deficient number, since it is larger than the sum of its proper divisors (280639).

4428449 is a wasteful number, since it uses less digits than its factorization.

4428449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1135.

The product of its digits is 36864, while the sum is 35.

The square root of 4428449 is about 2104.3880345602. The cubic root of 4428449 is about 164.2166604018.

The spelling of 4428449 in words is "four million, four hundred twenty-eight thousand, four hundred forty-nine".

Divisors: 1 17 331 787 5627 13379 260497 4428449