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4981693 = 42111833
BaseRepresentation
bin10011000000001110111101
3100101002121011
4103000032331
52233403233
6254435221
760225613
oct23001675
910332534
104981693
1128a2902
121802b11
131055662
149396b3
156860cd
hex4c03bd

4981693 has 4 divisors (see below), whose sum is σ = 4993948. Its totient is φ = 4969440.

The previous prime is 4981673. The next prime is 4981699. The reversal of 4981693 is 3961894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3961894 = 21980947.

It can be written as a sum of positive squares in 2 ways, for example, as 2067844 + 2913849 = 1438^2 + 1707^2 .

It is a cyclic number.

It is not a de Polignac number, because 4981693 - 217 = 4850621 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4981699) 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 3 ways as a sum of consecutive naturals, for example, 5496 + ... + 6337.

It is an arithmetic number, because the mean of its divisors is an integer number (1248487).

Almost surely, 24981693 is an apocalyptic number.

It is an amenable number.

4981693 is a deficient number, since it is larger than the sum of its proper divisors (12255).

4981693 is a wasteful number, since it uses less digits than its factorization.

4981693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12254.

The product of its digits is 46656, while the sum is 40.

The square root of 4981693 is about 2231.9706539289. The cubic root of 4981693 is about 170.7886425764.

The spelling of 4981693 in words is "four million, nine hundred eighty-one thousand, six hundred ninety-three".

Divisors: 1 421 11833 4981693