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5326781 = 10749783
BaseRepresentation
bin10100010100011110111101
3101000121222012
4110110132331
52330424111
6310101005
763163655
oct24243675
911017865
105326781
1130090a9
12194a765
131146755
149c9365
1570348b
hex5147bd

5326781 has 4 divisors (see below), whose sum is σ = 5376672. Its totient is φ = 5276892.

The previous prime is 5326771. The next prime is 5326793. The reversal of 5326781 is 1876235.

It is a happy number.

5326781 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1876235 = 5375247.

It is a cyclic number.

It is not a de Polignac number, because 5326781 - 222 = 1132477 is a prime.

It is a super-2 number, since 2×53267812 = 56749191643922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5326771) 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 3 ways as a sum of consecutive naturals, for example, 24785 + ... + 24998.

It is an arithmetic number, because the mean of its divisors is an integer number (1344168).

Almost surely, 25326781 is an apocalyptic number.

It is an amenable number.

5326781 is a deficient number, since it is larger than the sum of its proper divisors (49891).

5326781 is a wasteful number, since it uses less digits than its factorization.

5326781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49890.

The product of its digits is 10080, while the sum is 32.

The square root of 5326781 is about 2307.9820189941. The cubic root of 5326781 is about 174.6445137461.

The spelling of 5326781 in words is "five million, three hundred twenty-six thousand, seven hundred eighty-one".

Divisors: 1 107 49783 5326781