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74285226 = 2325697253
BaseRepresentation
bin1000110110110…
…00000010101010
312011210002011200
410123120002222
5123004111401
611212105030
71561262001
oct433300252
9164702150
1074285226
1138a28654
1220a65176
131250c172
149c19c38
1567c5686
hex46d80aa

74285226 has 24 divisors (see below), whose sum is σ = 161256420. Its totient is φ = 24714816.

The previous prime is 74285213. The next prime is 74285227. The reversal of 74285226 is 62258247.

74285226 is a `hidden beast` number, since 7 + 428 + 5 + 226 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 73977201 + 308025 = 8601^2 + 555^2 .

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74285227) by changing a digit.

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, 6616 + ... + 13868.

Almost surely, 274285226 is an apocalyptic number.

74285226 is an abundant number, since it is smaller than the sum of its proper divisors (86971194).

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

74285226 is a wasteful number, since it uses less digits than its factorization.

74285226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830 (or 7827 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 74285226 is about 8618.8877472676. The cubic root of 74285226 is about 420.3723568591.

The spelling of 74285226 in words is "seventy-four million, two hundred eighty-five thousand, two hundred twenty-six".

Divisors: 1 2 3 6 9 18 569 1138 1707 3414 5121 7253 10242 14506 21759 43518 65277 130554 4126957 8253914 12380871 24761742 37142613 74285226