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1283321242 = 2791665803
BaseRepresentation
bin100110001111101…
…1110110110011010
310022102210110210101
41030133132312122
510112012234432
6331202010014
743542023230
oct11437366632
93272713711
101283321242
115a9446275
122b994690a
13175b484a8
14c261c950
15779e84e7
hex4c7ded9a

1283321242 has 8 divisors (see below), whose sum is σ = 2199979296. Its totient is φ = 549994812.

The previous prime is 1283321227. The next prime is 1283321257. The reversal of 1283321242 is 2421233821.

It is an interprime number because it is at equal distance from previous prime (1283321227) and next prime (1283321257).

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

It is a self number, because there is not a number n which added to its sum of digits gives 1283321242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45832888 + ... + 45832915.

It is an arithmetic number, because the mean of its divisors is an integer number (274997412).

Almost surely, 21283321242 is an apocalyptic number.

1283321242 is a deficient number, since it is larger than the sum of its proper divisors (916658054).

1283321242 is an equidigital number, since it uses as much as digits as its factorization.

1283321242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91665812.

The product of its digits is 4608, while the sum is 28.

The square root of 1283321242 is about 35823.4733380224. The cubic root of 1283321242 is about 1086.7053228540.

The spelling of 1283321242 in words is "one billion, two hundred eighty-three million, three hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 7 14 91665803 183331606 641660621 1283321242