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1301324242 = 2650662121
BaseRepresentation
bin100110110010000…
…1010000111010010
310100200200010021011
41031210022013102
510131114333432
6333043521134
744151034141
oct11544120722
93320603234
101301324242
11608622189
123039891aa
131797ac95a
14c4b87758
15793a2847
hex4d90a1d2

1301324242 has 4 divisors (see below), whose sum is σ = 1951986366. Its totient is φ = 650662120.

The previous prime is 1301324209. The next prime is 1301324243. The reversal of 1301324242 is 2424231031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2424231031 = 3178201001.

It can be written as a sum of positive squares in only one way, i.e., 1263020521 + 38303721 = 35539^2 + 6189^2 .

It is not an unprimeable number, because it can be changed into a prime (1301324243) 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 as a sum of consecutive naturals, namely, 325331059 + ... + 325331062.

Almost surely, 21301324242 is an apocalyptic number.

1301324242 is a deficient number, since it is larger than the sum of its proper divisors (650662124).

1301324242 is an equidigital number, since it uses as much as digits as its factorization.

1301324242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650662123.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 1301324242 is about 36073.8720128572. The cubic root of 1301324242 is about 1091.7633389155.

Adding to 1301324242 its reverse (2424231031), we get a palindrome (3725555273).

The spelling of 1301324242 in words is "one billion, three hundred one million, three hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 650662121 1301324242