Search a number
-
+
74000471 = 586712613
BaseRepresentation
bin1000110100100…
…10100001010111
312011020121120012
410122102201113
5122421003341
611202030435
71555664546
oct432224127
9164217505
1074000471
1138853716
122094841b
131243c67c
149b8415d
15676b0eb
hex4692857

74000471 has 4 divisors (see below), whose sum is σ = 74018952. Its totient is φ = 73981992.

The previous prime is 74000461. The next prime is 74000477. The reversal of 74000471 is 17400047.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74000471 - 210 = 73999447 is a prime.

It is a super-3 number, since 3×740004713 (a number of 25 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74000477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440 + ... + 12173.

It is an arithmetic number, because the mean of its divisors is an integer number (18504738).

Almost surely, 274000471 is an apocalyptic number.

74000471 is a deficient number, since it is larger than the sum of its proper divisors (18481).

74000471 is a wasteful number, since it uses less digits than its factorization.

74000471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18480.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 74000471 is about 8602.3526433180. The cubic root of 74000471 is about 419.8345361071.

The spelling of 74000471 in words is "seventy-four million, four hundred seventy-one", and thus it is an aban number.

Divisors: 1 5867 12613 74000471