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553005253 = 4173318401
BaseRepresentation
bin100000111101100…
…011000011000101
31102112120120121001
4200331203003011
52113032132003
6130512453301
716463316133
oct4075430305
91375516531
10553005253
11264180039
1213524a231
138a753358
1453632753
153383861d
hex20f630c5

553005253 has 8 divisors (see below), whose sum is σ = 567296856. Its totient is φ = 538752000.

The previous prime is 553005247. The next prime is 553005283. The reversal of 553005253 is 352500355.

It can be written as a sum of positive squares in 4 ways, for example, as 85710564 + 467294689 = 9258^2 + 21617^2 .

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 553005253 - 25 = 553005221 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 (553005283) 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 7 ways as a sum of consecutive naturals, for example, 20853 + ... + 39253.

It is an arithmetic number, because the mean of its divisors is an integer number (70912107).

Almost surely, 2553005253 is an apocalyptic number.

It is an amenable number.

553005253 is a deficient number, since it is larger than the sum of its proper divisors (14291603).

553005253 is a wasteful number, since it uses less digits than its factorization.

553005253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19175.

The product of its (nonzero) digits is 11250, while the sum is 28.

The square root of 553005253 is about 23516.0637224855. The cubic root of 553005253 is about 820.8108442864.

The spelling of 553005253 in words is "five hundred fifty-three million, five thousand, two hundred fifty-three".

Divisors: 1 41 733 18401 30053 754441 13487933 553005253