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523347430 = 2552334743
BaseRepresentation
bin11111001100011…
…010010111100110
31100110202210201011
4133030122113212
52032434104210
6123533052434
715653244154
oct3714322746
91313683634
10523347430
11249463741
1212732711a
138456b048
144d7123d4
1530e2ad8a
hex1f31a5e6

523347430 has 8 divisors (see below), whose sum is σ = 942025392. Its totient is φ = 209338968.

The previous prime is 523347413. The next prime is 523347437. The reversal of 523347430 is 34743325.

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

It is a junction number, because it is equal to n+sod(n) for n = 523347392 and 523347401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523347437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26167362 + ... + 26167381.

It is an arithmetic number, because the mean of its divisors is an integer number (117753174).

Almost surely, 2523347430 is an apocalyptic number.

523347430 is a deficient number, since it is larger than the sum of its proper divisors (418677962).

523347430 is a wasteful number, since it uses less digits than its factorization.

523347430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52334750.

The product of its (nonzero) digits is 30240, while the sum is 31.

The square root of 523347430 is about 22876.7880175518. The cubic root of 523347430 is about 805.8669876784.

The spelling of 523347430 in words is "five hundred twenty-three million, three hundred forty-seven thousand, four hundred thirty".

Divisors: 1 2 5 10 52334743 104669486 261673715 523347430