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74048661 = 352313249
BaseRepresentation
bin1000110100111…
…10010010010101
312011100001200000
410122132102111
5122424024121
611203041513
71556255211
oct432362225
9164301600
1074048661
1138886945
1220970299
131245859b
149b97941
15677a526
hex469e495

74048661 has 24 divisors (see below), whose sum is σ = 115752000. Its totient is φ = 47215872.

The previous prime is 74048659. The next prime is 74048683. The reversal of 74048661 is 16684047.

It is not a de Polignac number, because 74048661 - 21 = 74048659 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74048761) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 1036 + ... + 12213.

It is an arithmetic number, because the mean of its divisors is an integer number (4823000).

Almost surely, 274048661 is an apocalyptic number.

It is an amenable number.

74048661 is a deficient number, since it is larger than the sum of its proper divisors (41703339).

74048661 is a wasteful number, since it uses less digits than its factorization.

74048661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13287 (or 13275 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 74048661 is about 8605.1531654004. The cubic root of 74048661 is about 419.9256501044.

The spelling of 74048661 in words is "seventy-four million, forty-eight thousand, six hundred sixty-one".

Divisors: 1 3 9 23 27 69 81 207 243 621 1863 5589 13249 39747 119241 304727 357723 914181 1073169 2742543 3219507 8227629 24682887 74048661