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240769 is a prime number
BaseRepresentation
bin111010110010000001
3110020021101
4322302001
530201034
65054401
72021644
oct726201
9406241
10240769
11154991
12b7401
1385789
1463a5b
154b514
hex3ac81

240769 has 2 divisors, whose sum is σ = 240770. Its totient is φ = 240768.

The previous prime is 240763. The next prime is 240797. The reversal of 240769 is 967042.

It is an a-pointer prime, because the next prime (240797) can be obtained adding 240769 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237169 + 3600 = 487^2 + 60^2 .

It is a cyclic number.

It is not a de Polignac number, because 240769 - 27 = 240641 is a prime.

It is a super-2 number, since 2×2407692 = 115939422722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (240763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 120384 + 120385.

It is an arithmetic number, because the mean of its divisors is an integer number (120385).

2240769 is an apocalyptic number.

It is an amenable number.

240769 is a deficient number, since it is larger than the sum of its proper divisors (1).

240769 is an equidigital number, since it uses as much as digits as its factorization.

240769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 240769 is about 490.6821781968. The cubic root of 240769 is about 62.2109532928.

The spelling of 240769 in words is "two hundred forty thousand, seven hundred sixty-nine".