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74241605 = 553281997
BaseRepresentation
bin1000110110011…
…01011001000101
312011200212100002
410123031121011
5123001212410
611211131045
71561020554
oct433153105
9164625302
1074241605
11389a88a9
1220a43a85
13124c5359
149c07d9b
1567b77a5
hex46cd645

74241605 has 16 divisors (see below), whose sum is σ = 91185264. Its totient is φ = 58007040.

The previous prime is 74241599. The next prime is 74241613. The reversal of 74241605 is 50614247.

It can be written as a sum of positive squares in 8 ways, for example, as 8014561 + 66227044 = 2831^2 + 8138^2 .

It is not a de Polignac number, because 74241605 - 212 = 74237509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73967 + ... + 74963.

It is an arithmetic number, because the mean of its divisors is an integer number (5699079).

Almost surely, 274241605 is an apocalyptic number.

It is an amenable number.

74241605 is a deficient number, since it is larger than the sum of its proper divisors (16943659).

74241605 is a wasteful number, since it uses less digits than its factorization.

74241605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336.

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 74241605 is about 8616.3568287299. The cubic root of 74241605 is about 420.2900585163.

The spelling of 74241605 in words is "seventy-four million, two hundred forty-one thousand, six hundred five".

Divisors: 1 5 53 265 281 997 1405 4985 14893 52841 74465 264205 280157 1400785 14848321 74241605