Search a number
-
+
5221201247 = 7499696253
BaseRepresentation
bin1001101110011010…
…10011010101011111
3111110212121111121222
410313031103111133
541143111414442
62222032243555
7243246323033
oct46715232537
914425544558
105221201247
11223a260859
1210186a05bb
13652929cc2
143776021c3
1520859c8d2
hex13735355f

5221201247 has 4 divisors (see below), whose sum is σ = 5221905000. Its totient is φ = 5220497496.

The previous prime is 5221201241. The next prime is 5221201277. The reversal of 5221201247 is 7421021225.

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

It is a cyclic number.

It is not a de Polignac number, because 5221201247 - 212 = 5221197151 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 (5221201241) 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, 340628 + ... + 355625.

It is an arithmetic number, because the mean of its divisors is an integer number (1305476250).

Almost surely, 25221201247 is an apocalyptic number.

5221201247 is a deficient number, since it is larger than the sum of its proper divisors (703753).

5221201247 is an equidigital number, since it uses as much as digits as its factorization.

5221201247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703752.

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 5221201247 is about 72257.8801723383. The cubic root of 5221201247 is about 1734.8295499265.

The spelling of 5221201247 in words is "five billion, two hundred twenty-one million, two hundred one thousand, two hundred forty-seven".

Divisors: 1 7499 696253 5221201247