Search a number
-
+
74130189 = 373611181
BaseRepresentation
bin1000110101100…
…10001100001101
312011111012111120
410122302030031
5122434131224
611204511153
71560045000
oct432621415
9164435446
1074130189
1138932121
12209ab4b9
1312486723
149bb9537
156794779
hex46b230d

74130189 has 32 divisors (see below), whose sum is σ = 117254400. Its totient is φ = 41630400.

The previous prime is 74130187. The next prime is 74130193. The reversal of 74130189 is 98103147.

It is not a de Polignac number, because 74130189 - 21 = 74130187 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74130181) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 62179 + ... + 63359.

It is an arithmetic number, because the mean of its divisors is an integer number (3664200).

Almost surely, 274130189 is an apocalyptic number.

It is an amenable number.

74130189 is a deficient number, since it is larger than the sum of its proper divisors (43124211).

74130189 is a wasteful number, since it uses less digits than its factorization.

74130189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266 (or 1252 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 74130189 is about 8609.8890236750. The cubic root of 74130189 is about 420.0797070945.

The spelling of 74130189 in words is "seventy-four million, one hundred thirty thousand, one hundred eighty-nine".

Divisors: 1 3 7 21 49 61 147 183 343 427 1029 1181 1281 2989 3543 8267 8967 20923 24801 57869 62769 72041 173607 216123 405083 504287 1215249 1512861 3530009 10590027 24710063 74130189