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975329813 = 7927145557
BaseRepresentation
bin111010001000100…
…101101000010101
32111222020212222102
4322020211220111
53444141023223
6240440411445
733112111103
oct7210455025
92458225872
10975329813
114606037a7
12232776b85
131270b0143
1493768c73
155a95b928
hex3a225a15

975329813 has 8 divisors (see below), whose sum is σ = 991342080. Its totient is φ = 959409360.

The previous prime is 975329809. The next prime is 975329819. The reversal of 975329813 is 318923579.

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

It is a cyclic number.

It is not a de Polignac number, because 975329813 - 22 = 975329809 is a prime.

It is a super-2 number, since 2×9753298132 = 1902536488253229938, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (975329819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1370 + ... + 44187.

It is an arithmetic number, because the mean of its divisors is an integer number (123917760).

Almost surely, 2975329813 is an apocalyptic number.

It is an amenable number.

975329813 is a deficient number, since it is larger than the sum of its proper divisors (16012267).

975329813 is a wasteful number, since it uses less digits than its factorization.

975329813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45907.

The product of its digits is 408240, while the sum is 47.

The square root of 975329813 is about 31230.2707801261. The cubic root of 975329813 is about 991.7080377377.

The spelling of 975329813 in words is "nine hundred seventy-five million, three hundred twenty-nine thousand, eight hundred thirteen".

Divisors: 1 79 271 21409 45557 3599003 12345947 975329813