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299077957 = 1729606649
BaseRepresentation
bin10001110100111…
…001000101000101
3202211202201211101
4101310321011011
51103030443312
645402140101
710261056253
oct2164710505
9684681741
10299077957
11143904772
12841b1631
1349c67209
142ba135d3
151b3caa57
hex11d39145

299077957 has 8 divisors (see below), whose sum is σ = 327591000. Its totient is φ = 271778304.

The previous prime is 299077951. The next prime is 299077997. The reversal of 299077957 is 759770992.

It can be written as a sum of positive squares in 4 ways, for example, as 103245921 + 195832036 = 10161^2 + 13994^2 .

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 299077957 - 23 = 299077949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 299077898 and 299077907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (299077951) 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, 302832 + ... + 303817.

It is an arithmetic number, because the mean of its divisors is an integer number (40948875).

Almost surely, 2299077957 is an apocalyptic number.

It is an amenable number.

299077957 is a deficient number, since it is larger than the sum of its proper divisors (28513043).

299077957 is a wasteful number, since it uses less digits than its factorization.

299077957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606695.

The product of its (nonzero) digits is 2500470, while the sum is 55.

The square root of 299077957 is about 17293.8705037363. The cubic root of 299077957 is about 668.7464174030.

The spelling of 299077957 in words is "two hundred ninety-nine million, seventy-seven thousand, nine hundred fifty-seven".

Divisors: 1 17 29 493 606649 10313033 17592821 299077957