Search a number
-
+
513419400 = 2332521337593
BaseRepresentation
bin11110100110100…
…010100010001000
31022210002102000100
4132212202202020
52022413410100
6122540205400
715502664364
oct3646424210
91283072010
10513419400
112438a265a
12123b39860
13824a3180
144c28a2a4
1530119400
hex1e9a2888

513419400 has 288 divisors, whose sum is σ = 1910268360. Its totient is φ = 122757120.

The previous prime is 513419383. The next prime is 513419407. The reversal of 513419400 is 4914315.

It can be written as a sum of positive squares in 12 ways, for example, as 57426084 + 455993316 = 7578^2 + 21354^2 .

It is not an unprimeable number, because it can be changed into a prime (513419407) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 865504 + ... + 866096.

Almost surely, 2513419400 is an apocalyptic number.

513419400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 513419400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955134180).

513419400 is an abundant number, since it is smaller than the sum of its proper divisors (1396848960).

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

513419400 is a wasteful number, since it uses less digits than its factorization.

513419400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 665 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 513419400 is about 22658.7598954577. The cubic root of 513419400 is about 800.7385887318.

The spelling of 513419400 in words is "five hundred thirteen million, four hundred nineteen thousand, four hundred".