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1234328831 = 4636134349
BaseRepresentation
bin100100110010010…
…0101110011111111
310012000121101211122
41021210211303333
510011442010311
6322251541155
742405423221
oct11144456377
93160541748
101234328831
1158382357a
122a545a7bb
131689538b8
14b9d08411
157356c0db
hex49925cff

1234328831 has 8 divisors (see below), whose sum is σ = 1239297600. Its totient is φ = 1229370912.

The previous prime is 1234328801. The next prime is 1234328857. The reversal of 1234328831 is 1388234321.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1234328831 is a prime.

It is a super-2 number, since 2×12343288312 = 3047135326075653122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1234328791 and 1234328800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1234328801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281645 + ... + 285993.

It is an arithmetic number, because the mean of its divisors is an integer number (154912200).

Almost surely, 21234328831 is an apocalyptic number.

1234328831 is a deficient number, since it is larger than the sum of its proper divisors (4968769).

1234328831 is an equidigital number, since it uses as much as digits as its factorization.

1234328831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5425.

The product of its digits is 27648, while the sum is 35.

The square root of 1234328831 is about 35133.0162525224. The cubic root of 1234328831 is about 1072.6967324928.

The spelling of 1234328831 in words is "one billion, two hundred thirty-four million, three hundred twenty-eight thousand, eight hundred thirty-one".

Divisors: 1 463 613 4349 283819 2013587 2665937 1234328831