Search a number
-
+
71093700 = 22345267131
BaseRepresentation
bin1000011110011…
…00110111000100
311221202221020000
410033030313010
5121144444300
611015441300
71522200156
oct417146704
9157687200
1071093700
1137148827
121b986230
13119625a2
149628ad6
156394c00
hex43ccdc4

71093700 has 180 divisors, whose sum is σ = 235682832. Its totient is φ = 18532800.

The previous prime is 71093681. The next prime is 71093717. The reversal of 71093700 is 739017.

It is a tau number, because it is divible by the number of its divisors (180).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 59 ways as a sum of consecutive naturals, for example, 542635 + ... + 542765.

Almost surely, 271093700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71093700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (117841416).

71093700 is an abundant number, since it is smaller than the sum of its proper divisors (164589132).

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

71093700 is a wasteful number, since it uses less digits than its factorization.

71093700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 1323, while the sum is 27.

The square root of 71093700 is about 8431.7080120222. The cubic root of 71093700 is about 414.2638519690.

The spelling of 71093700 in words is "seventy-one million, ninety-three thousand, seven hundred".