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523193934 = 2387198989
BaseRepresentation
bin11111001011110…
…100111001001110
31100110111000011010
4133023310321032
52032414201214
6123525510050
715652034514
oct3713647116
91313430133
10523193934
1124936938a
12127272326
1384516213
144d6b24b4
1530dea659
hex1f2f4e4e

523193934 has 8 divisors (see below), whose sum is σ = 1046387880. Its totient is φ = 174397976.

The previous prime is 523193933. The next prime is 523193947. The reversal of 523193934 is 439391325.

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

523193934 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 523193892 and 523193901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (523193933) 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, 43599489 + ... + 43599500.

It is an arithmetic number, because the mean of its divisors is an integer number (130798485).

Almost surely, 2523193934 is an apocalyptic number.

523193934 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

523193934 is a wasteful number, since it uses less digits than its factorization.

523193934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87198994.

The product of its digits is 87480, while the sum is 39.

The square root of 523193934 is about 22873.4329299299. The cubic root of 523193934 is about 805.7881939700.

The spelling of 523193934 in words is "five hundred twenty-three million, one hundred ninety-three thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 87198989 174397978 261596967 523193934