Search a number
-
+
985934461 = 5318602537
BaseRepresentation
bin111010110001000…
…010101001111101
32112201012122211011
4322301002221331
54004344400321
6241455555221
733301206331
oct7261025175
92481178734
10985934461
11466597176
1223622bb11
13129353c95
1494d297c1
155b853ae1
hex3ac42a7d

985934461 has 4 divisors (see below), whose sum is σ = 1004537052. Its totient is φ = 967331872.

The previous prime is 985934459. The next prime is 985934473. The reversal of 985934461 is 164439589.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 164439589 = 179672917.

It can be written as a sum of positive squares in 2 ways, for example, as 557196025 + 428738436 = 23605^2 + 20706^2 .

It is a cyclic number.

It is not a de Polignac number, because 985934461 - 21 = 985934459 is a prime.

It is a super-3 number, since 3×9859344613 (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (985934441) 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, 9301216 + ... + 9301321.

It is an arithmetic number, because the mean of its divisors is an integer number (251134263).

Almost surely, 2985934461 is an apocalyptic number.

It is an amenable number.

985934461 is a deficient number, since it is larger than the sum of its proper divisors (18602591).

985934461 is a wasteful number, since it uses less digits than its factorization.

985934461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18602590.

The product of its digits is 933120, while the sum is 49.

The square root of 985934461 is about 31399.5933253920. The cubic root of 985934461 is about 995.2893314456.

The spelling of 985934461 in words is "nine hundred eighty-five million, nine hundred thirty-four thousand, four hundred sixty-one".

Divisors: 1 53 18602537 985934461