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74286208 = 27580361
BaseRepresentation
bin1000110110110…
…00010010000000
312011210010112001
410123120102000
5123004124313
611212113344
71561264603
oct433302200
9164703461
1074286208
1138a29367
1220a65854
131250c749
149c1a33a
1567c5add
hex46d8480

74286208 has 16 divisors (see below), whose sum is σ = 147992310. Its totient is φ = 37143040.

The previous prime is 74286167. The next prime is 74286229. The reversal of 74286208 is 80268247.

It can be written as a sum of positive squares in only one way, i.e., 54287424 + 19998784 = 7368^2 + 4472^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 290053 + ... + 290308.

Almost surely, 274286208 is an apocalyptic number.

It is an amenable number.

74286208 is a deficient number, since it is larger than the sum of its proper divisors (73706102).

74286208 is an equidigital number, since it uses as much as digits as its factorization.

74286208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580375 (or 580363 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 74286208 is about 8618.9447149869. The cubic root of 74286208 is about 420.3742091962.

The spelling of 74286208 in words is "seventy-four million, two hundred eighty-six thousand, two hundred eight".

Divisors: 1 2 4 8 16 32 64 128 580361 1160722 2321444 4642888 9285776 18571552 37143104 74286208