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240134830 = 25134873793
BaseRepresentation
bin11100101000000…
…10101010101110
3121201212010001121
432110002222232
5442433303310
635454531154
75644053355
oct1624025256
9551763047
10240134830
11113605941
1268506aba
133a99a320
1423c6c99c
15161360da
hexe502aae

240134830 has 32 divisors (see below), whose sum is σ = 466570944. Its totient is φ = 88459776.

The previous prime is 240134813. The next prime is 240134837. The reversal of 240134830 is 38431042.

It is a junction number, because it is equal to n+sod(n) for n = 240134795 and 240134804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240134837) 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 15 ways as a sum of consecutive naturals, for example, 61414 + ... + 65206.

It is an arithmetic number, because the mean of its divisors is an integer number (14580342).

Almost surely, 2240134830 is an apocalyptic number.

240134830 is a deficient number, since it is larger than the sum of its proper divisors (226436114).

240134830 is a wasteful number, since it uses less digits than its factorization.

240134830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4300.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 240134830 is about 15496.2843933635. The cubic root of 240134830 is about 621.5628538934.

Adding to 240134830 its reverse (38431042), we get a palindrome (278565872).

The spelling of 240134830 in words is "two hundred forty million, one hundred thirty-four thousand, eight hundred thirty".

Divisors: 1 2 5 10 13 26 65 130 487 974 2435 3793 4870 6331 7586 12662 18965 31655 37930 49309 63310 98618 246545 493090 1847191 3694382 9235955 18471910 24013483 48026966 120067415 240134830