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296930257 = 1322840789
BaseRepresentation
bin10001101100101…
…100101111010001
3202200201121201221
4101230230233101
51102003232012
645244125041
710233602611
oct2154545721
9680647657
10296930257
11142678108
1283536781
13496947a0
142b614a41
151b104507
hex11b2cbd1

296930257 has 4 divisors (see below), whose sum is σ = 319771060. Its totient is φ = 274089456.

The previous prime is 296930219. The next prime is 296930297. The reversal of 296930257 is 752039692.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 129072321 + 167857936 = 11361^2 + 12956^2 .

It is a cyclic number.

It is not a de Polignac number, because 296930257 - 27 = 296930129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (296930297) 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, 11420382 + ... + 11420407.

It is an arithmetic number, because the mean of its divisors is an integer number (79942765).

Almost surely, 2296930257 is an apocalyptic number.

It is an amenable number.

296930257 is a deficient number, since it is larger than the sum of its proper divisors (22840803).

296930257 is a wasteful number, since it uses less digits than its factorization.

296930257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22840802.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 296930257 is about 17231.6643711512. The cubic root of 296930257 is about 667.1417984886.

The spelling of 296930257 in words is "two hundred ninety-six million, nine hundred thirty thousand, two hundred fifty-seven".

Divisors: 1 13 22840789 296930257