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74112122 = 2719278617
BaseRepresentation
bin1000110101011…
…01110001111010
312011110021201102
410122231301322
5122433041442
611204251402
71556641220
oct432556172
9164407642
1074112122
113891a597
12209a0b62
131247b436
149bb2b10
15678e232
hex46adc7a

74112122 has 16 divisors (see below), whose sum is σ = 133736640. Its totient is φ = 30090528.

The previous prime is 74112121. The next prime is 74112127. The reversal of 74112122 is 22121147.

It is a junction number, because it is equal to n+sod(n) for n = 74112094 and 74112103.

It is not an unprimeable number, because it can be changed into a prime (74112121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 139043 + ... + 139574.

It is an arithmetic number, because the mean of its divisors is an integer number (8358540).

Almost surely, 274112122 is an apocalyptic number.

74112122 is a deficient number, since it is larger than the sum of its proper divisors (59624518).

74112122 is a wasteful number, since it uses less digits than its factorization.

74112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278645.

The product of its digits is 224, while the sum is 20.

The square root of 74112122 is about 8608.8397592242. The cubic root of 74112122 is about 420.0455770645.

Adding to 74112122 its reverse (22121147), we get a palindrome (96233269).

The spelling of 74112122 in words is "seventy-four million, one hundred twelve thousand, one hundred twenty-two".

Divisors: 1 2 7 14 19 38 133 266 278617 557234 1950319 3900638 5293723 10587446 37056061 74112122