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4944681 = 32778487
BaseRepresentation
bin10010110111001100101001
3100022012211100
4102313030221
52231212211
6253552013
760012660
oct22671451
910265740
104944681
112878015
1217a5609
131041861
14929dd7
1567a156
hex4b7329

4944681 has 12 divisors (see below), whose sum is σ = 8162752. Its totient is φ = 2825496.

The previous prime is 4944679. The next prime is 4944683. The reversal of 4944681 is 1864494.

It is a happy number.

4944681 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (4944679) and next prime (4944683).

It is not a de Polignac number, because 4944681 - 21 = 4944679 is a prime.

It is a super-2 number, since 2×49446812 = 48899740383522, which contains 22 as substring.

It is a Duffinian number.

4944681 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4944683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39181 + ... + 39306.

Almost surely, 24944681 is an apocalyptic number.

It is an amenable number.

4944681 is a deficient number, since it is larger than the sum of its proper divisors (3218071).

4944681 is a wasteful number, since it uses less digits than its factorization.

4944681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78500 (or 78497 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 4944681 is about 2223.6638684837. The cubic root of 4944681 is about 170.3646268239.

It can be divided in two parts, 4944 and 681, that added together give a square (5625 = 752).

The spelling of 4944681 in words is "four million, nine hundred forty-four thousand, six hundred eighty-one".

Divisors: 1 3 7 9 21 63 78487 235461 549409 706383 1648227 4944681