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52316249 = 79662231
BaseRepresentation
bin1100011110010…
…0100001011001
310122102221101212
43013210201121
5101343104444
65105152505
71203452336
oct307444131
9118387355
1052316249
1127592a77
121562b735
13aab977b
146d3b98d
1548d619e
hex31e4859

52316249 has 4 divisors (see below), whose sum is σ = 52978560. Its totient is φ = 51653940.

The previous prime is 52316233. The next prime is 52316281. The reversal of 52316249 is 94261325.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 52316249 - 24 = 52316233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52316549) 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, 331037 + ... + 331194.

It is an arithmetic number, because the mean of its divisors is an integer number (13244640).

Almost surely, 252316249 is an apocalyptic number.

It is an amenable number.

52316249 is a deficient number, since it is larger than the sum of its proper divisors (662311).

52316249 is an equidigital number, since it uses as much as digits as its factorization.

52316249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 662310.

The product of its digits is 12960, while the sum is 32.

The square root of 52316249 is about 7232.9972348951. The cubic root of 52316249 is about 374.0062554360.

The spelling of 52316249 in words is "fifty-two million, three hundred sixteen thousand, two hundred forty-nine".

Divisors: 1 79 662231 52316249