Search a number
-
+
513144542 = 2435966797
BaseRepresentation
bin11110100101011…
…111011011011110
31022202120102222102
4132211133123132
52022331111132
6122530245102
715500441141
oct3645373336
91282512872
10513144542
112437250a9
12123a26792
1382408031
144c218058
15300b2c62
hex1e95f6de

513144542 has 8 divisors (see below), whose sum is σ = 787617336. Its totient is φ = 250605432.

The previous prime is 513144523. The next prime is 513144547. The reversal of 513144542 is 245441315.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (513144547) 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, 2983313 + ... + 2983484.

It is an arithmetic number, because the mean of its divisors is an integer number (98452167).

Almost surely, 2513144542 is an apocalyptic number.

513144542 is a deficient number, since it is larger than the sum of its proper divisors (274472794).

513144542 is a wasteful number, since it uses less digits than its factorization.

513144542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5966842.

The product of its digits is 9600, while the sum is 29.

The square root of 513144542 is about 22652.6939236816. The cubic root of 513144542 is about 800.5956719835.

Adding to 513144542 its reverse (245441315), we get a palindrome (758585857).

The spelling of 513144542 in words is "five hundred thirteen million, one hundred forty-four thousand, five hundred forty-two".

Divisors: 1 2 43 86 5966797 11933594 256572271 513144542