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240461 = 1353349
BaseRepresentation
bin111010101101001101
3110012211222
4322231031
530143321
65053125
72021024
oct725515
9405758
10240461
11154731
12b71a5
13855b0
14638bb
154b3ab
hex3ab4d

240461 has 8 divisors (see below), whose sum is σ = 264600. Its totient is φ = 217152.

The previous prime is 240437. The next prime is 240473. The reversal of 240461 is 164042.

It can be written as a sum of positive squares in 4 ways, for example, as 42436 + 198025 = 206^2 + 445^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-240461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 240461.

It is not an unprimeable number, because it can be changed into a prime (240421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515 + ... + 863.

It is an arithmetic number, because the mean of its divisors is an integer number (33075).

2240461 is an apocalyptic number.

It is an amenable number.

240461 is a deficient number, since it is larger than the sum of its proper divisors (24139).

240461 is a wasteful number, since it uses less digits than its factorization.

240461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 240461 is about 490.3682289872. The cubic root of 240461 is about 62.1844145082.

The spelling of 240461 in words is "two hundred forty thousand, four hundred sixty-one".

Divisors: 1 13 53 349 689 4537 18497 240461