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122342545 = 5132696997
BaseRepresentation
bin1110100101011…
…00110010010001
322112012122102101
413102230302101
5222304430140
620050120401
73013615543
oct722546221
9275178371
10122342545
1163071846
1234b80101
131c467250
1412369693
15ab1999a
hex74acc91

122342545 has 16 divisors (see below), whose sum is σ = 158714640. Its totient is φ = 89996544.

The previous prime is 122342531. The next prime is 122342569. The reversal of 122342545 is 545243221.

It can be written as a sum of positive squares in 8 ways, for example, as 41486481 + 80856064 = 6441^2 + 8992^2 .

It is a cyclic number.

It is not a de Polignac number, because 122342545 - 25 = 122342513 is a prime.

It is an unprimeable number.

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, 13987 + ... + 20983.

It is an arithmetic number, because the mean of its divisors is an integer number (9919665).

Almost surely, 2122342545 is an apocalyptic number.

It is an amenable number.

122342545 is a deficient number, since it is larger than the sum of its proper divisors (36372095).

122342545 is a wasteful number, since it uses less digits than its factorization.

122342545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7284.

The product of its digits is 9600, while the sum is 28.

The square root of 122342545 is about 11060.8564315789. The cubic root of 122342545 is about 496.4313162580.

Adding to 122342545 its reverse (545243221), we get a palindrome (667585766).

The spelling of 122342545 in words is "one hundred twenty-two million, three hundred forty-two thousand, five hundred forty-five".

Divisors: 1 5 13 65 269 1345 3497 6997 17485 34985 90961 454805 1882193 9410965 24468509 122342545