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2708553253 = 7255276597
BaseRepresentation
bin1010000101110001…
…0011111000100101
320222202121202120011
42201130103320211
521021342201003
61124433410221
7124056215500
oct24134237045
96882552504
102708553253
11116a9a916a
12637109971
133421bc943
141b9a1c137
1510cbc446d
hexa1713e25

2708553253 has 6 divisors (see below), whose sum is σ = 3150766086. Its totient is φ = 2321617032.

The previous prime is 2708553251. The next prime is 2708553277. The reversal of 2708553253 is 3523558072.

It can be written as a sum of positive squares in only one way, i.e., 1739974369 + 968578884 = 41713^2 + 31122^2 .

It is not a de Polignac number, because 2708553253 - 21 = 2708553251 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 (2708553251) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27638250 + ... + 27638347.

It is an arithmetic number, because the mean of its divisors is an integer number (525127681).

Almost surely, 22708553253 is an apocalyptic number.

It is an amenable number.

2708553253 is a deficient number, since it is larger than the sum of its proper divisors (442212833).

2708553253 is an equidigital number, since it uses as much as digits as its factorization.

2708553253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55276611 (or 55276604 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 40.

The square root of 2708553253 is about 52043.7628635747. The cubic root of 2708553253 is about 1393.9454958253.

The spelling of 2708553253 in words is "two billion, seven hundred eight million, five hundred fifty-three thousand, two hundred fifty-three".

Divisors: 1 7 49 55276597 386936179 2708553253