Search a number
-
+
214501345 = 5184723227
BaseRepresentation
bin11001100100100…
…00011111100001
3112221121210112021
430302100133201
5414403020340
633141301441
75213142232
oct1462203741
9487553467
10214501345
11100098043
125ba04881
1335593996
14206b9089
1513c70e4a
hexcc907e1

214501345 has 8 divisors (see below), whose sum is σ = 257552064. Its totient is φ = 171500784.

The previous prime is 214501297. The next prime is 214501361. The reversal of 214501345 is 543105412.

It is a happy number.

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 214501345 - 29 = 214500833 is a prime.

It is a Duffinian number.

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 in 7 ways as a sum of consecutive naturals, for example, 2379 + ... + 20848.

It is an arithmetic number, because the mean of its divisors is an integer number (32194008).

Almost surely, 2214501345 is an apocalyptic number.

It is an amenable number.

214501345 is a deficient number, since it is larger than the sum of its proper divisors (43050719).

214501345 is a wasteful number, since it uses less digits than its factorization.

214501345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25079.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 214501345 is about 14645.8644333477. The cubic root of 214501345 is about 598.6091347961.

Adding to 214501345 its reverse (543105412), we get a palindrome (757606757).

The spelling of 214501345 in words is "two hundred fourteen million, five hundred one thousand, three hundred forty-five".

Divisors: 1 5 1847 9235 23227 116135 42900269 214501345