Search a number
-
+
214668623 = 1389185539
BaseRepresentation
bin11001100101110…
…01010101001111
3112221221021222202
430302321111033
5414423343443
633145032115
75214440021
oct1462712517
9487837882
10214668623
111001a1794
125ba8563b
1335621b70
1420720011
1513ca57b8
hexccb954f

214668623 has 8 divisors (see below), whose sum is σ = 233780400. Its totient is φ = 195928128.

The previous prime is 214668617. The next prime is 214668653. The reversal of 214668623 is 326866412.

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 214668623 - 214 = 214652239 is a prime.

It is a super-2 number, since 2×2146686232 = 92165235401432258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214668653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91613 + ... + 93926.

It is an arithmetic number, because the mean of its divisors is an integer number (29222550).

Almost surely, 2214668623 is an apocalyptic number.

214668623 is a deficient number, since it is larger than the sum of its proper divisors (19111777).

214668623 is a wasteful number, since it uses less digits than its factorization.

214668623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185641.

The product of its digits is 82944, while the sum is 38.

The square root of 214668623 is about 14651.5740792585. The cubic root of 214668623 is about 598.7647019953.

The spelling of 214668623 in words is "two hundred fourteen million, six hundred sixty-eight thousand, six hundred twenty-three".

Divisors: 1 13 89 1157 185539 2412007 16512971 214668623