Search a number
-
+
261114485 = 51513171091
BaseRepresentation
bin11111001000001…
…00101001110101
3200012022222201212
433210010221311
51013321130420
641524331205
76320302502
oct1744045165
9605288655
10261114485
111244351a5
1273543b05
1342134618
14269704a9
1517dcc3c5
hexf904a75

261114485 has 16 divisors (see below), whose sum is σ = 316697472. Its totient is φ = 206664000.

The previous prime is 261114481. The next prime is 261114487. The reversal of 261114485 is 584411162.

261114485 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 261114485 - 22 = 261114481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261114481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238790 + ... + 239880.

It is an arithmetic number, because the mean of its divisors is an integer number (19793592).

Almost surely, 2261114485 is an apocalyptic number.

It is an amenable number.

261114485 is a deficient number, since it is larger than the sum of its proper divisors (55582987).

261114485 is a wasteful number, since it uses less digits than its factorization.

261114485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1564.

The product of its digits is 7680, while the sum is 32.

The square root of 261114485 is about 16159.0372547377. The cubic root of 261114485 is about 639.1610793602.

The spelling of 261114485 in words is "two hundred sixty-one million, one hundred fourteen thousand, four hundred eighty-five".

Divisors: 1 5 151 317 755 1091 1585 5455 47867 164741 239335 345847 823705 1729235 52222897 261114485