Search a number
-
+
214465431 = 3371932121
BaseRepresentation
bin11001100100001…
…11101110010111
3112221112222021010
430302013232113
5414400343211
633140423303
75212632435
oct1462075627
9487488233
10214465431
11100073064
125b9a7b33
133558052b
14206a9d55
1513c654a6
hexcc87b97

214465431 has 8 divisors (see below), whose sum is σ = 293682544. Its totient is φ = 139112640.

The previous prime is 214465423. The next prime is 214465439. The reversal of 214465431 is 134564412.

It is an interprime number because it is at equal distance from previous prime (214465423) and next prime (214465439).

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

It is not a de Polignac number, because 214465431 - 23 = 214465423 is a prime.

It is a super-2 number, since 2×2144654312 = 91990842188031522, 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 (214465439) 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, 965950 + ... + 966171.

It is an arithmetic number, because the mean of its divisors is an integer number (36710318).

Almost surely, 2214465431 is an apocalyptic number.

214465431 is a deficient number, since it is larger than the sum of its proper divisors (79217113).

214465431 is a wasteful number, since it uses less digits than its factorization.

214465431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932161.

The product of its digits is 11520, while the sum is 30.

The square root of 214465431 is about 14644.6383021227. The cubic root of 214465431 is about 598.5757245186.

The spelling of 214465431 in words is "two hundred fourteen million, four hundred sixty-five thousand, four hundred thirty-one".

Divisors: 1 3 37 111 1932121 5796363 71488477 214465431