Search a number
-
+
122243685 = 3517479387
BaseRepresentation
bin1110100100101…
…00101001100101
322112000121210220
413102110221211
5222243244220
620044034553
73013024404
oct722245145
9275017726
10122243685
1163004543
1234b32a59
131c431255
141234163b
15aaea540
hex7494a65

122243685 has 16 divisors (see below), whose sum is σ = 207095616. Its totient is φ = 61361408.

The previous prime is 122243621. The next prime is 122243687. The reversal of 122243685 is 586342221.

It is a cyclic number.

It is not a de Polignac number, because 122243685 - 26 = 122243621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122243687) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 239439 + ... + 239948.

It is an arithmetic number, because the mean of its divisors is an integer number (12943476).

Almost surely, 2122243685 is an apocalyptic number.

122243685 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

122243685 is a deficient number, since it is larger than the sum of its proper divisors (84851931).

122243685 is a wasteful number, since it uses less digits than its factorization.

122243685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479412.

The product of its digits is 23040, while the sum is 33.

The square root of 122243685 is about 11056.3866158886. The cubic root of 122243685 is about 496.2975649536.

The spelling of 122243685 in words is "one hundred twenty-two million, two hundred forty-three thousand, six hundred eighty-five".

Divisors: 1 3 5 15 17 51 85 255 479387 1438161 2396935 7190805 8149579 24448737 40747895 122243685