Search a number
-
+
1214530455 = 3580968697
BaseRepresentation
bin100100001100100…
…0100001110010111
310010122100112120110
41020121010032113
54441404433310
6320303334103
742045224055
oct11031041627
93118315513
101214530455
11573630786
1229a8b1333
13164811198
14b74331d5
157195ad20
hex48644397

1214530455 has 8 divisors (see below), whose sum is σ = 1943248752. Its totient is φ = 647749568.

The previous prime is 1214530417. The next prime is 1214530459. The reversal of 1214530455 is 5540354121.

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

It is a cyclic number.

It is not a de Polignac number, because 1214530455 - 26 = 1214530391 is a prime.

It is a super-2 number, since 2×12145304552 = 2950168452245014050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1214530459) 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 7 ways as a sum of consecutive naturals, for example, 40484334 + ... + 40484363.

It is an arithmetic number, because the mean of its divisors is an integer number (242906094).

Almost surely, 21214530455 is an apocalyptic number.

1214530455 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1214530455 is a deficient number, since it is larger than the sum of its proper divisors (728718297).

1214530455 is an equidigital number, since it uses as much as digits as its factorization.

1214530455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80968705.

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 1214530455 is about 34850.1141318074. The cubic root of 1214530455 is about 1066.9305150790.

Adding to 1214530455 its reverse (5540354121), we get a palindrome (6754884576).

The spelling of 1214530455 in words is "one billion, two hundred fourteen million, five hundred thirty thousand, four hundred fifty-five".

Divisors: 1 3 5 15 80968697 242906091 404843485 1214530455