Search a number
-
+
214454551 is a prime number
BaseRepresentation
bin11001100100001…
…01000100010111
3112221112102100011
430302011010113
5414400021201
633140301051
75212555633
oct1462050427
9487472304
10214454551
11100065973
125b9a1787
13355785ac
14206a5dc3
1513c62151
hexcc85117

214454551 has 2 divisors, whose sum is σ = 214454552. Its totient is φ = 214454550.

The previous prime is 214454521. The next prime is 214454587. The reversal of 214454551 is 155454412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 214454551 - 25 = 214454519 is a prime.

It is a super-2 number, since 2×2144545512 = 91981508889223202, which contains 22 as substring.

It is equal to p11833672 and since 214454551 and 11833672 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214454521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107227275 + 107227276.

It is an arithmetic number, because the mean of its divisors is an integer number (107227276).

Almost surely, 2214454551 is an apocalyptic number.

214454551 is a deficient number, since it is larger than the sum of its proper divisors (1).

214454551 is an equidigital number, since it uses as much as digits as its factorization.

214454551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 31.

The square root of 214454551 is about 14644.2668304016. The cubic root of 214454551 is about 598.5656022750.

The spelling of 214454551 in words is "two hundred fourteen million, four hundred fifty-four thousand, five hundred fifty-one".