Search a number
-
+
434873980 = 22521743699
BaseRepresentation
bin11001111010111…
…010011001111100
31010022021212221201
4121322322121330
51342311431410
6111052505244
713530240112
oct3172723174
91108255851
10434873980
11203525292
1210177b224
136c131ba8
1441a81ab2
15282a183a
hex19eba67c

434873980 has 12 divisors (see below), whose sum is σ = 913235400. Its totient is φ = 173949584.

The previous prime is 434873963. The next prime is 434873981. The reversal of 434873980 is 89378434.

It is a self number, because there is not a number n which added to its sum of digits gives 434873980.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (434873981) 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, 10871830 + ... + 10871869.

It is an arithmetic number, because the mean of its divisors is an integer number (76102950).

Almost surely, 2434873980 is an apocalyptic number.

It is an amenable number.

434873980 is an abundant number, since it is smaller than the sum of its proper divisors (478361420).

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

434873980 is a wasteful number, since it uses less digits than its factorization.

434873980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21743708 (or 21743706 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 434873980 is about 20853.6322975159. The cubic root of 434873980 is about 757.6253093933.

The spelling of 434873980 in words is "four hundred thirty-four million, eight hundred seventy-three thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 21743699 43487398 86974796 108718495 217436990 434873980