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240088442 = 211390191
BaseRepresentation
bin11100100111101…
…11010101111010
3121201202202102112
432103313111322
5442430312232
635453532322
75643501206
oct1623672572
9551682375
10240088442
11113584000
12684a40a2
133a982189
1423c59b06
15161274b2
hexe4f757a

240088442 has 16 divisors (see below), whose sum is σ = 396123264. Its totient is φ = 109129900.

The previous prime is 240088441. The next prime is 240088481. The reversal of 240088442 is 244880042.

Added to its reverse (244880042) it gives a square (484968484 = 220222).

It is a junction number, because it is equal to n+sod(n) for n = 240088399 and 240088408.

It is not an unprimeable number, because it can be changed into a prime (240088441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42434 + ... + 47757.

It is an arithmetic number, because the mean of its divisors is an integer number (24757704).

Almost surely, 2240088442 is an apocalyptic number.

240088442 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

240088442 is a deficient number, since it is larger than the sum of its proper divisors (156034822).

240088442 is an equidigital number, since it uses as much as digits as its factorization.

240088442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90226 (or 90204 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 240088442 is about 15494.7875751815. The cubic root of 240088442 is about 621.5228278873.

Adding to 240088442 its reverse (244880042), we get a square (484968484 = 220222).

The spelling of 240088442 in words is "two hundred forty million, eighty-eight thousand, four hundred forty-two".

Divisors: 1 2 11 22 121 242 1331 2662 90191 180382 992101 1984202 10913111 21826222 120044221 240088442