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4385612 = 2271129491
BaseRepresentation
bin10000101110101101001100
322020210221002
4100232231030
52110314422
6233555432
752164020
oct20565514
98223832
104385612
112525a80
121575b78
13ba724a
14822380
155b9692
hex42eb4c

4385612 has 48 divisors (see below), whose sum is σ = 9918720. Its totient is φ = 1646400.

The previous prime is 4385611. The next prime is 4385627. The reversal of 4385612 is 2165834.

It is a super-2 number, since 2×43856122 = 38467185229088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (4385611) 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, 8687 + ... + 9177.

It is an arithmetic number, because the mean of its divisors is an integer number (206640).

Almost surely, 24385612 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4385612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4959360).

4385612 is an abundant number, since it is smaller than the sum of its proper divisors (5533108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4385612 is a wasteful number, since it uses less digits than its factorization.

4385612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 542 (or 540 counting only the distinct ones).

The product of its digits is 5760, while the sum is 29.

The square root of 4385612 is about 2094.1852831113. The cubic root of 4385612 is about 163.6854470416.

The spelling of 4385612 in words is "four million, three hundred eighty-five thousand, six hundred twelve".

Divisors: 1 2 4 7 11 14 22 28 29 44 58 77 116 154 203 308 319 406 491 638 812 982 1276 1964 2233 3437 4466 5401 6874 8932 10802 13748 14239 21604 28478 37807 56956 75614 99673 151228 156629 199346 313258 398692 626516 1096403 2192806 4385612