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74444938 = 21718112097
BaseRepresentation
bin1000110111111…
…11000010001010
312012002012020221
410123333002022
5123024214223
611215340254
71562525431
oct433770212
9165065227
1074444938
1139027647
1220b2168a
1312566a79
149c5c118
156807b5d
hex46ff08a

74444938 has 16 divisors (see below), whose sum is σ = 118899144. Its totient is φ = 34836480.

The previous prime is 74444917. The next prime is 74444947. The reversal of 74444938 is 83944447.

It can be written as a sum of positive squares in 4 ways, for example, as 29192409 + 45252529 = 5403^2 + 6727^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74444894 and 74444903.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106 + ... + 12202.

Almost surely, 274444938 is an apocalyptic number.

74444938 is a deficient number, since it is larger than the sum of its proper divisors (44454206).

74444938 is a wasteful number, since it uses less digits than its factorization.

74444938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12297.

The product of its digits is 387072, while the sum is 43.

The square root of 74444938 is about 8628.1480052211. The cubic root of 74444938 is about 420.6734057365.

The spelling of 74444938 in words is "seventy-four million, four hundred forty-four thousand, nine hundred thirty-eight".

Divisors: 1 2 17 34 181 362 3077 6154 12097 24194 205649 411298 2189557 4379114 37222469 74444938