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103144322 = 251572161
BaseRepresentation
bin1100010010111…
…01101110000010
321012002021102002
412021131232002
5202401104242
614122424002
72361466211
oct611355602
9235067362
10103144322
1153249946
122a662002
13184a4a58
14d9ad078
1590c6432
hex625db82

103144322 has 4 divisors (see below), whose sum is σ = 154716486. Its totient is φ = 51572160.

The previous prime is 103144319. The next prime is 103144339. The reversal of 103144322 is 223441301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 223441301 = 1571423193.

It can be written as a sum of positive squares in only one way, i.e., 76405081 + 26739241 = 8741^2 + 5171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 103144294 and 103144303.

It is an unprimeable number.

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, 25786079 + ... + 25786082.

Almost surely, 2103144322 is an apocalyptic number.

103144322 is a deficient number, since it is larger than the sum of its proper divisors (51572164).

103144322 is an equidigital number, since it uses as much as digits as its factorization.

103144322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51572163.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 103144322 is about 10155.9993107522. Note that the first 3 decimals coincide. The cubic root of 103144322 is about 468.9736499093.

Adding to 103144322 its reverse (223441301), we get a palindrome (326585623).

The spelling of 103144322 in words is "one hundred three million, one hundred forty-four thousand, three hundred twenty-two".

Divisors: 1 2 51572161 103144322