Search a number
-
+
3405209975 = 521932273109
BaseRepresentation
bin1100101011110111…
…0110000101110111
322210022111120220222
43022331312011313
523433213204400
61321521244555
7150245543606
oct31275660567
98708446828
103405209975
111498174722
127b049375b
1342362b35b
14244365a3d
1514de36185
hexcaf76177

3405209975 has 24 divisors (see below), whose sum is σ = 4264407120. Its totient is φ = 2697246720.

The previous prime is 3405209971. The next prime is 3405209981. The reversal of 3405209975 is 5799025043.

It is not a de Polignac number, because 3405209975 - 22 = 3405209971 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3405209971) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1093721 + ... + 1096829.

It is an arithmetic number, because the mean of its divisors is an integer number (177683630).

Almost surely, 23405209975 is an apocalyptic number.

3405209975 is a deficient number, since it is larger than the sum of its proper divisors (859197145).

3405209975 is a wasteful number, since it uses less digits than its factorization.

3405209975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3539 (or 3534 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 44.

The square root of 3405209975 is about 58354.1770141607. The cubic root of 3405209975 is about 1504.4622641544.

The spelling of 3405209975 in words is "three billion, four hundred five million, two hundred nine thousand, nine hundred seventy-five".

Divisors: 1 5 25 193 227 965 1135 3109 4825 5675 15545 43811 77725 219055 600037 705743 1095275 3000185 3528715 15000925 17643575 136208399 681041995 3405209975