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74182241 = 721314973
BaseRepresentation
bin1000110101111…
…10111001100001
312011120211220102
410122332321201
5122442312431
611205552145
71560352520
oct432767141
9164524812
1074182241
1138968241
1220a15655
13124a4323
149bd04b7
1567a4dcb
hex46bee61

74182241 has 8 divisors (see below), whose sum is σ = 84836544. Its totient is φ = 63542160.

The previous prime is 74182231. The next prime is 74182321. The reversal of 74182241 is 14228147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74182241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74182211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12431 + ... + 17403.

It is an arithmetic number, because the mean of its divisors is an integer number (10604568).

Almost surely, 274182241 is an apocalyptic number.

74182241 is the 4973-rd octagonal number.

It is an amenable number.

74182241 is a deficient number, since it is larger than the sum of its proper divisors (10654303).

74182241 is a wasteful number, since it uses less digits than its factorization.

74182241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7111.

The product of its digits is 3584, while the sum is 29.

The square root of 74182241 is about 8612.9112964200. The cubic root of 74182241 is about 420.1780065563.

The spelling of 74182241 in words is "seventy-four million, one hundred eighty-two thousand, two hundred forty-one".

Divisors: 1 7 2131 4973 14917 34811 10597463 74182241