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513200161 = 3471478963
BaseRepresentation
bin11110100101101…
…101000000100001
31022202200021021101
4132211231000201
52022334401121
6122531354401
715501062245
oct3645550041
91282607241
10513200161
11243762971
12123a52a01
1382427446
144c230425
15300c4491
hex1e96d021

513200161 has 4 divisors (see below), whose sum is σ = 514679472. Its totient is φ = 511720852.

The previous prime is 513200143. The next prime is 513200167. The reversal of 513200161 is 161002315.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 513200161 - 219 = 512675873 is a prime.

It is a super-3 number, since 3×5132001613 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (513200167) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 739135 + ... + 739828.

It is an arithmetic number, because the mean of its divisors is an integer number (128669868).

Almost surely, 2513200161 is an apocalyptic number.

It is an amenable number.

513200161 is a deficient number, since it is larger than the sum of its proper divisors (1479311).

513200161 is a wasteful number, since it uses less digits than its factorization.

513200161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479310.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 513200161 is about 22653.9215368995. The cubic root of 513200161 is about 800.6245960769.

Adding to 513200161 its reverse (161002315), we get a palindrome (674202476).

The spelling of 513200161 in words is "five hundred thirteen million, two hundred thousand, one hundred sixty-one".

Divisors: 1 347 1478963 513200161