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523356061 = 2631989947
BaseRepresentation
bin11111001100011…
…100011110011101
31100110210020112211
4133030130132131
52032434343221
6123533200421
715653311264
oct3714343635
91313706484
10523356061
1124946a178
12127330111
1384571c57
144d7155db
1530e2d6e1
hex1f31c79d

523356061 has 4 divisors (see below), whose sum is σ = 525346272. Its totient is φ = 521365852.

The previous prime is 523356047. The next prime is 523356073. The reversal of 523356061 is 160653325.

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 523356061 - 27 = 523355933 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523356161) 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, 994711 + ... + 995236.

It is an arithmetic number, because the mean of its divisors is an integer number (131336568).

Almost surely, 2523356061 is an apocalyptic number.

It is an amenable number.

523356061 is a deficient number, since it is larger than the sum of its proper divisors (1990211).

523356061 is a wasteful number, since it uses less digits than its factorization.

523356061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1990210.

The product of its (nonzero) digits is 16200, while the sum is 31.

The square root of 523356061 is about 22876.9766577666. The cubic root of 523356061 is about 805.8714177500.

The spelling of 523356061 in words is "five hundred twenty-three million, three hundred fifty-six thousand, sixty-one".

Divisors: 1 263 1989947 523356061