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523050401 = 1618932309
BaseRepresentation
bin11111001011010…
…001110110100001
31100110012201021002
4133023101312201
52032400103101
6123522441345
715650566166
oct3713216641
91313181232
10523050401
11249280565
12127203255
1384495aa3
144d67606d
1530dbcd6b
hex1f2d1da1

523050401 has 4 divisors (see below), whose sum is σ = 523098900. Its totient is φ = 523001904.

The previous prime is 523050349. The next prime is 523050421. The reversal of 523050401 is 104050325.

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 383219776 + 139830625 = 19576^2 + 11825^2 .

It is a cyclic number.

It is not a de Polignac number, because 523050401 - 222 = 518856097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (523050421) 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, 35 + ... + 32343.

It is an arithmetic number, because the mean of its divisors is an integer number (130774725).

Almost surely, 2523050401 is an apocalyptic number.

It is an amenable number.

523050401 is a deficient number, since it is larger than the sum of its proper divisors (48499).

523050401 is a wasteful number, since it uses less digits than its factorization.

523050401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48498.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 523050401 is about 22870.2951664381. The cubic root of 523050401 is about 805.7145005984.

The spelling of 523050401 in words is "five hundred twenty-three million, fifty thousand, four hundred one".

Divisors: 1 16189 32309 523050401