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74225412 = 22322338849
BaseRepresentation
bin1000110110010…
…01011100000100
312011200001010100
410123021130010
5123000203122
611210524100
71560622422
oct433113404
9164601110
1074225412
1138997718
1220a36630
13124bab81
149c02112
1567b2aac
hex46c9704

74225412 has 36 divisors (see below), whose sum is σ = 188451900. Its totient is φ = 24632832.

The previous prime is 74225401. The next prime is 74225429. The reversal of 74225412 is 21452247.

It can be written as a sum of positive squares in 2 ways, for example, as 4769856 + 69455556 = 2184^2 + 8334^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3964 + ... + 12812.

It is an arithmetic number, because the mean of its divisors is an integer number (5234775).

Almost surely, 274225412 is an apocalyptic number.

It is an amenable number.

74225412 is an abundant number, since it is smaller than the sum of its proper divisors (114226488).

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

74225412 is a wasteful number, since it uses less digits than its factorization.

74225412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9092 (or 9087 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 74225412 is about 8615.4171112025. The cubic root of 74225412 is about 420.2594994976.

Adding to 74225412 its reverse (21452247), we get a palindrome (95677659).

The spelling of 74225412 in words is "seventy-four million, two hundred twenty-five thousand, four hundred twelve".

Divisors: 1 2 3 4 6 9 12 18 36 233 466 699 932 1398 2097 2796 4194 8388 8849 17698 26547 35396 53094 79641 106188 159282 318564 2061817 4123634 6185451 8247268 12370902 18556353 24741804 37112706 74225412