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3405052305 = 32575667829
BaseRepresentation
bin1100101011110100…
…1111100110010001
322210022012120122100
43022331033212101
523433143133210
61321514031013
7150244316124
oct31275174621
98708176570
103405052305
111498077216
127b0418469
134235a4665
142443243bb
1514de045c0
hexcaf4f991

3405052305 has 12 divisors (see below), whose sum is σ = 5902090740. Its totient is φ = 1816027872.

The previous prime is 3405052291. The next prime is 3405052331. The reversal of 3405052305 is 5032505043.

It can be written as a sum of positive squares in 2 ways, for example, as 2237668416 + 1167383889 = 47304^2 + 34167^2 .

It is not a de Polignac number, because 3405052305 - 26 = 3405052241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37833870 + ... + 37833959.

It is an arithmetic number, because the mean of its divisors is an integer number (491840895).

Almost surely, 23405052305 is an apocalyptic number.

It is an amenable number.

3405052305 is a deficient number, since it is larger than the sum of its proper divisors (2497038435).

3405052305 is a wasteful number, since it uses less digits than its factorization.

3405052305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75667840 (or 75667837 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 3405052305 is about 58352.8260241096. The cubic root of 3405052305 is about 1504.4390436356.

Adding to 3405052305 its reverse (5032505043), we get a palindrome (8437557348).

The spelling of 3405052305 in words is "three billion, four hundred five million, fifty-two thousand, three hundred five".

Divisors: 1 3 5 9 15 45 75667829 227003487 378339145 681010461 1135017435 3405052305