Search a number
-
+
71067030 = 23519124679
BaseRepresentation
bin1000011110001…
…10010110010110
311221201120122020
410033012112112
5121143121110
611015114010
71522026336
oct417062626
9157646566
1071067030
113712a791
121b972906
13119533c8
14961d0c6
15638bd70
hex43c6596

71067030 has 32 divisors (see below), whose sum is σ = 179539200. Its totient is φ = 17953632.

The previous prime is 71067001. The next prime is 71067043. The reversal of 71067030 is 3076017.

It is a Curzon number.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 61770 + ... + 62909.

It is an arithmetic number, because the mean of its divisors is an integer number (5610600).

Almost surely, 271067030 is an apocalyptic number.

71067030 is an abundant number, since it is smaller than the sum of its proper divisors (108472170).

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

71067030 is a wasteful number, since it uses less digits than its factorization.

71067030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124708.

The product of its (nonzero) digits is 882, while the sum is 24.

The square root of 71067030 is about 8430.1263335729. The cubic root of 71067030 is about 414.2120433522.

The spelling of 71067030 in words is "seventy-one million, sixty-seven thousand, thirty".

Divisors: 1 2 3 5 6 10 15 19 30 38 57 95 114 190 285 570 124679 249358 374037 623395 748074 1246790 1870185 2368901 3740370 4737802 7106703 11844505 14213406 23689010 35533515 71067030