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8224253 = 73113997
BaseRepresentation
bin11111010111110111111101
3120110211112222
4133113313331
54101134003
6452135125
7126622262
oct37276775
916424488
108224253
114708004
1229074a5
13191c52b
141141269
15ac6c38
hex7d7dfd

8224253 has 8 divisors (see below), whose sum is σ = 8419128. Its totient is φ = 8031744.

The previous prime is 8224219. The next prime is 8224259. The reversal of 8224253 is 3524228.

It can be written as a sum of positive squares in 4 ways, for example, as 727609 + 7496644 = 853^2 + 2738^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 8224253 - 26 = 8224189 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 (8224259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7751 + ... + 8747.

It is an arithmetic number, because the mean of its divisors is an integer number (1052391).

Almost surely, 28224253 is an apocalyptic number.

It is an amenable number.

8224253 is a deficient number, since it is larger than the sum of its proper divisors (194875).

8224253 is a wasteful number, since it uses less digits than its factorization.

8224253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183.

The product of its digits is 3840, while the sum is 26.

The square root of 8224253 is about 2867.7958435007. The cubic root of 8224253 is about 201.8515803521.

The spelling of 8224253 in words is "eight million, two hundred twenty-four thousand, two hundred fifty-three".

Divisors: 1 73 113 997 8249 72781 112661 8224253