Search a number
-
+
512626201 = 1132145281
BaseRepresentation
bin11110100011100…
…000111000011001
31022201121002221121
4132203200320121
52022213014301
6122511205241
715463152013
oct3643407031
91281532847
10512626201
1124340071a
12123816821
1382286119
144c1211b3
153000e3a1
hex1e8e0e19

512626201 has 4 divisors (see below), whose sum is σ = 512682804. Its totient is φ = 512569600.

The previous prime is 512626183. The next prime is 512626217. The reversal of 512626201 is 102626215.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 231192025 + 281434176 = 15205^2 + 16776^2 .

It is a 3-Lehmer number, since φ(512626201) divides (512626201-1)3.

It is a cyclic number.

It is not a de Polignac number, because 512626201 - 27 = 512626073 is a prime.

It is a deceptive number, since it divides R512626200.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (512626241) 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, 11320 + ... + 33961.

It is an arithmetic number, because the mean of its divisors is an integer number (128170701).

It is a Poulet number, since it divides 2512626200-1.

Almost surely, 2512626201 is an apocalyptic number.

512626201 is the 11321-st decagonal number.

It is an amenable number.

512626201 is a deficient number, since it is larger than the sum of its proper divisors (56603).

512626201 is a wasteful number, since it uses less digits than its factorization.

512626201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56602.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 512626201 is about 22641.2499875780. The cubic root of 512626201 is about 800.3260134801.

The spelling of 512626201 in words is "five hundred twelve million, six hundred twenty-six thousand, two hundred one".

Divisors: 1 11321 45281 512626201