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5231845 = 51046369
BaseRepresentation
bin10011111101010011100101
3100211210202001
4103331103211
52314404340
6304045301
762320123
oct23752345
910753661
105231845
112a53843
121903831
131112488
149a2913
156d529a
hex4fd4e5

5231845 has 4 divisors (see below), whose sum is σ = 6278220. Its totient is φ = 4185472.

The previous prime is 5231843. The next prime is 5231857. The reversal of 5231845 is 5481325.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2927521 + 2304324 = 1711^2 + 1518^2 .

It is a cyclic number.

It is not a de Polignac number, because 5231845 - 21 = 5231843 is a prime.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5231843) 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, 523180 + ... + 523189.

It is an arithmetic number, because the mean of its divisors is an integer number (1569555).

Almost surely, 25231845 is an apocalyptic number.

It is an amenable number.

5231845 is a deficient number, since it is larger than the sum of its proper divisors (1046375).

5231845 is a wasteful number, since it uses less digits than its factorization.

5231845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1046374.

The product of its digits is 4800, while the sum is 28.

The square root of 5231845 is about 2287.3226707223. The cubic root of 5231845 is about 173.6007603476.

The spelling of 5231845 in words is "five million, two hundred thirty-one thousand, eight hundred forty-five".

Divisors: 1 5 1046369 5231845