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299998957 = 532356359
BaseRepresentation
bin10001111000011…
…001111011101101
3202220111112012111
4101320121323231
51103244431312
645434004021
710301643346
oct2170317355
9686445174
10299998957
11144383725
1284576611
134a1ca49b
142bbb30cd
151b50d8a7
hex11e19eed

299998957 has 4 divisors (see below), whose sum is σ = 300060640. Its totient is φ = 299937276.

The previous prime is 299998943. The next prime is 299999023. The reversal of 299998957 is 759899992.

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 a de Polignac number, because none of the positive numbers 2k-299998957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299998892 and 299998901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299998157) 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, 22857 + ... + 33502.

It is an arithmetic number, because the mean of its divisors is an integer number (75015160).

Almost surely, 2299998957 is an apocalyptic number.

It is an amenable number.

299998957 is a deficient number, since it is larger than the sum of its proper divisors (61683).

299998957 is an equidigital number, since it uses as much as digits as its factorization.

299998957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61682.

The product of its digits is 33067440, while the sum is 67.

The square root of 299998957 is about 17320.4779668461. The cubic root of 299998957 is about 669.4321742829.

The spelling of 299998957 in words is "two hundred ninety-nine million, nine hundred ninety-eight thousand, nine hundred fifty-seven".

Divisors: 1 5323 56359 299998957