Search a number
-
+
1214550841 = 7173507263
BaseRepresentation
bin100100001100100…
…1001001100111001
310010122101120112111
41020121021030321
54441411111331
6320304012321
742045340360
oct11031111471
93118346474
101214550841
11573645029
1229a9010a1
1316481a54a
14b743a7d7
1571961db1
hex48649339

1214550841 has 4 divisors (see below), whose sum is σ = 1388058112. Its totient is φ = 1041043572.

The previous prime is 1214550797. The next prime is 1214550893. The reversal of 1214550841 is 1480554121.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1214550841 - 215 = 1214518073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1214550041) 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 3 ways as a sum of consecutive naturals, for example, 86753625 + ... + 86753638.

It is an arithmetic number, because the mean of its divisors is an integer number (347014528).

Almost surely, 21214550841 is an apocalyptic number.

It is an amenable number.

1214550841 is a deficient number, since it is larger than the sum of its proper divisors (173507271).

1214550841 is an equidigital number, since it uses as much as digits as its factorization.

1214550841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173507270.

The product of its (nonzero) digits is 6400, while the sum is 31.

The square root of 1214550841 is about 34850.4066116882. The cubic root of 1214550841 is about 1066.9364845530.

The spelling of 1214550841 in words is "one billion, two hundred fourteen million, five hundred fifty thousand, eight hundred forty-one".

Divisors: 1 7 173507263 1214550841