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2263909853 = 2978065857
BaseRepresentation
bin1000011011110000…
…1000010111011101
312211202221112111002
42012330020113131
514114030103403
61012351240045
7110046626162
oct20674102735
95752845432
102263909853
11a61a10a87
12532219025
132a104a13a
14176956069
15d3b43188
hex86f085dd

2263909853 has 4 divisors (see below), whose sum is σ = 2341975740. Its totient is φ = 2185843968.

The previous prime is 2263909841. The next prime is 2263909859. The reversal of 2263909853 is 3589093622.

It is a happy number.

2263909853 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3589093622 = 21794546811.

It can be written as a sum of positive squares in 2 ways, for example, as 628354489 + 1635555364 = 25067^2 + 40442^2 .

It is a cyclic number.

It is not a de Polignac number, because 2263909853 - 218 = 2263647709 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2263909798 and 2263909807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2263909859) 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, 39032900 + ... + 39032957.

It is an arithmetic number, because the mean of its divisors is an integer number (585493935).

Almost surely, 22263909853 is an apocalyptic number.

It is an amenable number.

2263909853 is a deficient number, since it is larger than the sum of its proper divisors (78065887).

2263909853 is an equidigital number, since it uses as much as digits as its factorization.

2263909853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78065886.

The product of its (nonzero) digits is 699840, while the sum is 47.

The square root of 2263909853 is about 47580.5617137923. The cubic root of 2263909853 is about 1313.0654573105.

The spelling of 2263909853 in words is "two billion, two hundred sixty-three million, nine hundred nine thousand, eight hundred fifty-three".

Divisors: 1 29 78065857 2263909853