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122005344 = 25312710007
BaseRepresentation
bin1110100010110…
…10011101100000
322111120111212110
413101122131200
5222213132334
620034555320
73011012466
oct721323540
9274514773
10122005344
116296146a
1234a38b40
131c379916
14122bc836
15aa9eae9
hex745a760

122005344 has 48 divisors (see below), whose sum is σ = 322818048. Its totient is φ = 40344192.

The previous prime is 122005343. The next prime is 122005361. The reversal of 122005344 is 443500221.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 122005344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122005343) 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, 7189 + ... + 17195.

It is an arithmetic number, because the mean of its divisors is an integer number (6725376).

Almost surely, 2122005344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 122005344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161409024).

122005344 is an abundant number, since it is smaller than the sum of its proper divisors (200812704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

122005344 is a wasteful number, since it uses less digits than its factorization.

122005344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10147 (or 10139 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 122005344 is about 11045.6029260516. The cubic root of 122005344 is about 495.9748079470.

Adding to 122005344 its reverse (443500221), we get a palindrome (565505565).

The spelling of 122005344 in words is "one hundred twenty-two million, five thousand, three hundred forty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 127 254 381 508 762 1016 1524 2032 3048 4064 6096 10007 12192 20014 30021 40028 60042 80056 120084 160112 240168 320224 480336 960672 1270889 2541778 3812667 5083556 7625334 10167112 15250668 20334224 30501336 40668448 61002672 122005344