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505795345 = 51197113839
BaseRepresentation
bin11110001001011…
…101001100010001
31022020202001202221
4132021131030101
52013440422340
6122104541041
715351121666
oct3611351421
91266661687
10505795345
1123a565590
12121481781
1380a33bb3
144b263a6d
152e61044a
hex1e25d311

505795345 has 32 divisors (see below), whose sum is σ = 675682560. Its totient is φ = 360407040.

The previous prime is 505795343. The next prime is 505795361. The reversal of 505795345 is 543597505.

It is not a de Polignac number, because 505795345 - 21 = 505795343 is a prime.

It is not an unprimeable number, because it can be changed into a prime (505795343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 602436 + ... + 603274.

It is an arithmetic number, because the mean of its divisors is an integer number (21115080).

Almost surely, 2505795345 is an apocalyptic number.

505795345 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

505795345 is a deficient number, since it is larger than the sum of its proper divisors (169887215).

505795345 is a wasteful number, since it uses less digits than its factorization.

505795345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065.

The product of its (nonzero) digits is 472500, while the sum is 43.

The square root of 505795345 is about 22489.8942861010. The cubic root of 505795345 is about 796.7552662754.

The spelling of 505795345 in words is "five hundred five million, seven hundred ninety-five thousand, three hundred forty-five".

Divisors: 1 5 11 55 97 113 485 565 839 1067 1243 4195 5335 6215 9229 10961 46145 54805 81383 94807 120571 406915 474035 602855 895213 1042877 4476065 5214385 9196279 45981395 101159069 505795345