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122345668 = 22171979133
BaseRepresentation
bin1110100101011…
…01100011000100
322112012210201001
413102231203010
5222310030133
620050143044
73013630624
oct722554304
9275183631
10122345668
1163074125
1234b81a84
131c4687b3
141236a884
15ab1a87d
hex74ad8c4

122345668 has 24 divisors (see below), whose sum is σ = 227875032. Its totient is φ = 57275904.

The previous prime is 122345647. The next prime is 122345669. The reversal of 122345668 is 866543221.

It can be written as a sum of positive squares in 4 ways, for example, as 89075844 + 33269824 = 9438^2 + 5768^2 .

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (122345669) 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 7 ways as a sum of consecutive naturals, for example, 8830 + ... + 17962.

It is an arithmetic number, because the mean of its divisors is an integer number (9494793).

Almost surely, 2122345668 is an apocalyptic number.

It is an amenable number.

122345668 is a deficient number, since it is larger than the sum of its proper divisors (105529364).

122345668 is a wasteful number, since it uses less digits than its factorization.

122345668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9351 (or 9349 counting only the distinct ones).

The product of its digits is 69120, while the sum is 37.

The square root of 122345668 is about 11060.9976041947. The cubic root of 122345668 is about 496.4355403045.

Adding to 122345668 its reverse (866543221), we get a palindrome (988888889).

The spelling of 122345668 in words is "one hundred twenty-two million, three hundred forty-five thousand, six hundred sixty-eight".

Divisors: 1 2 4 17 34 68 197 394 788 3349 6698 9133 13396 18266 36532 155261 310522 621044 1799201 3598402 7196804 30586417 61172834 122345668