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4938644 = 2210311987
BaseRepresentation
bin10010110101101110010100
3100021220112202
4102311232110
52231014034
6253504032
756656244
oct22655624
910256482
104938644
112873527
1217a2018
13103bb99
14927b24
1567847e
hex4b5b94

4938644 has 12 divisors (see below), whose sum is σ = 8727264. Its totient is φ = 2445144.

The previous prime is 4938643. The next prime is 4938673. The reversal of 4938644 is 4468394.

4938644 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 4938598 and 4938607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4938643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5582 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (727272).

Almost surely, 24938644 is an apocalyptic number.

It is an amenable number.

4938644 is a deficient number, since it is larger than the sum of its proper divisors (3788620).

4938644 is a wasteful number, since it uses less digits than its factorization.

4938644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12094 (or 12092 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 4938644 is about 2222.3060095315. The cubic root of 4938644 is about 170.2952654165.

The spelling of 4938644 in words is "four million, nine hundred thirty-eight thousand, six hundred forty-four".

Divisors: 1 2 4 103 206 412 11987 23974 47948 1234661 2469322 4938644