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2293811845 = 51335289413
BaseRepresentation
bin1000100010111000…
…1100101010000101
312220212012201022021
42020232030222011
514144203434340
61015340203141
7110562036043
oct21056145205
95825181267
102293811845
11a77884876
125402394b1
132a72b9620
1417a8db393
15d659ce4a
hex88b8ca85

2293811845 has 8 divisors (see below), whose sum is σ = 2964310776. Its totient is φ = 1693891776.

The previous prime is 2293811833. The next prime is 2293811851. The reversal of 2293811845 is 5481183922.

It can be written as a sum of positive squares in 4 ways, for example, as 152621316 + 2141190529 = 12354^2 + 46273^2 .

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 2293811845 - 25 = 2293811813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 17644642 + ... + 17644771.

It is an arithmetic number, because the mean of its divisors is an integer number (370538847).

Almost surely, 22293811845 is an apocalyptic number.

It is an amenable number.

2293811845 is a deficient number, since it is larger than the sum of its proper divisors (670498931).

2293811845 is a wasteful number, since it uses less digits than its factorization.

2293811845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35289431.

The product of its digits is 138240, while the sum is 43.

The square root of 2293811845 is about 47893.7558038624. The cubic root of 2293811845 is about 1318.8212320635.

The spelling of 2293811845 in words is "two billion, two hundred ninety-three million, eight hundred eleven thousand, eight hundred forty-five".

Divisors: 1 5 13 65 35289413 176447065 458762369 2293811845