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74146071 = 3216111437
BaseRepresentation
bin1000110101101…
…10000100010111
312011112000021210
410122312010113
5122440133241
611205112503
71560142206
oct432660427
9164460253
1074146071
113894304a
12209b8733
1312490a1c
149bc123d
156799316
hex46b6117

74146071 has 8 divisors (see below), whose sum is σ = 98915824. Its totient is φ = 49403520.

The previous prime is 74146031. The next prime is 74146073. The reversal of 74146071 is 17064147.

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

It is not a de Polignac number, because 74146071 - 27 = 74145943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74146073) 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 7 ways as a sum of consecutive naturals, for example, 765 + ... + 12201.

It is an arithmetic number, because the mean of its divisors is an integer number (12364478).

Almost surely, 274146071 is an apocalyptic number.

74146071 is a deficient number, since it is larger than the sum of its proper divisors (24769753).

74146071 is a wasteful number, since it uses less digits than its factorization.

74146071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13601.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 74146071 is about 8610.8112858197. The cubic root of 74146071 is about 420.1097049024.

The spelling of 74146071 in words is "seventy-four million, one hundred forty-six thousand, seventy-one".

Divisors: 1 3 2161 6483 11437 34311 24715357 74146071