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4937681 = 72100769
BaseRepresentation
bin10010110101011111010001
3100021212020002
4102311133101
52231001211
6253455345
756653400
oct22653721
910255202
104937681
112872831
1217a1555
13103b608
14927637
1567803b
hex4b57d1

4937681 has 6 divisors (see below), whose sum is σ = 5743890. Its totient is φ = 4232256.

The previous prime is 4937677. The next prime is 4937683. The reversal of 4937681 is 1867394.

It can be written as a sum of positive squares in only one way, i.e., 4558225 + 379456 = 2135^2 + 616^2 .

It is not a de Polignac number, because 4937681 - 22 = 4937677 is a prime.

It is a super-2 number, since 2×49376812 = 48761387315522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4937683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50336 + ... + 50433.

It is an arithmetic number, because the mean of its divisors is an integer number (957315).

Almost surely, 24937681 is an apocalyptic number.

It is an amenable number.

4937681 is a deficient number, since it is larger than the sum of its proper divisors (806209).

4937681 is a wasteful number, since it uses less digits than its factorization.

4937681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100783 (or 100776 counting only the distinct ones).

The product of its digits is 36288, while the sum is 38.

The square root of 4937681 is about 2222.0893321377. The cubic root of 4937681 is about 170.2841959137.

The spelling of 4937681 in words is "four million, nine hundred thirty-seven thousand, six hundred eighty-one".

Divisors: 1 7 49 100769 705383 4937681