Search a number
-
+
71475426 = 23311210939
BaseRepresentation
bin1000100001010…
…10000011100010
311222111022212000
410100222003202
5121244203201
611031544430
71525350111
oct420520342
9158438760
1071475426
1137389600
121bb2b116
1311a67269
1496c7c78
15641cd86
hex442a0e2

71475426 has 48 divisors (see below), whose sum is σ = 174602400. Its totient is φ = 21657240.

The previous prime is 71475413. The next prime is 71475451. The reversal of 71475426 is 62457417.

71475426 is a `hidden beast` number, since 71 + 47 + 542 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065 + ... + 12003.

It is an arithmetic number, because the mean of its divisors is an integer number (3637550).

Almost surely, 271475426 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71475426, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87301200).

71475426 is an abundant number, since it is smaller than the sum of its proper divisors (103126974).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71475426 is a wasteful number, since it uses less digits than its factorization.

71475426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10972 (or 10955 counting only the distinct ones).

The product of its digits is 47040, while the sum is 36.

The square root of 71475426 is about 8454.3140466865. The cubic root of 71475426 is about 415.0039695754.

Subtracting from 71475426 its reverse (62457417), we obtain a square (9018009 = 30032).

The spelling of 71475426 in words is "seventy-one million, four hundred seventy-five thousand, four hundred twenty-six".

Divisors: 1 2 3 6 9 11 18 22 27 33 54 66 99 121 198 242 297 363 594 726 1089 2178 3267 6534 10939 21878 32817 65634 98451 120329 196902 240658 295353 360987 590706 721974 1082961 1323619 2165922 2647238 3248883 3970857 6497766 7941714 11912571 23825142 35737713 71475426