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122728024 = 2359260017
BaseRepresentation
bin1110101000010…
…10111001011000
322112221020012101
413110022321120
5222404244044
620102253144
73020112436
oct724127130
9275836171
10122728024
1163305421
12351271b4
131c570843
1412429d56
15ab93cd4
hex750ae58

122728024 has 16 divisors (see below), whose sum is σ = 234016200. Its totient is φ = 60323712.

The previous prime is 122728007. The next prime is 122728027. The reversal of 122728024 is 420827221.

It is a junction number, because it is equal to n+sod(n) for n = 122727983 and 122728001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122728027) 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 3 ways as a sum of consecutive naturals, for example, 129537 + ... + 130480.

Almost surely, 2122728024 is an apocalyptic number.

It is an amenable number.

122728024 is a deficient number, since it is larger than the sum of its proper divisors (111288176).

122728024 is a wasteful number, since it uses less digits than its factorization.

122728024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260082 (or 260078 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 122728024 is about 11078.2680956908. The cubic root of 122728024 is about 496.9521577316.

The spelling of 122728024 in words is "one hundred twenty-two million, seven hundred twenty-eight thousand, twenty-four".

Divisors: 1 2 4 8 59 118 236 472 260017 520034 1040068 2080136 15341003 30682006 61364012 122728024