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214343145 = 3353151217
BaseRepresentation
bin11001100011010…
…01110111101001
3112221022202112000
430301221313221
5414332440040
633134041213
75211613062
oct1461516751
9487282460
10214343145
11aaa9a1a5
125b949209
1335539983
1420677569
1513c3e130
hexcc69de9

214343145 has 32 divisors (see below), whose sum is σ = 393354240. Its totient is φ = 110626560.

The previous prime is 214343119. The next prime is 214343177. The reversal of 214343145 is 541343412.

It is a happy number.

It is not a de Polignac number, because 214343145 - 25 = 214343113 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21424 + ... + 29793.

It is an arithmetic number, because the mean of its divisors is an integer number (12292320).

Almost surely, 2214343145 is an apocalyptic number.

It is an amenable number.

214343145 is a deficient number, since it is larger than the sum of its proper divisors (179011095).

214343145 is a wasteful number, since it uses less digits than its factorization.

214343145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51262 (or 51256 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 214343145 is about 14640.4625951505. The cubic root of 214343145 is about 598.4619356323.

Adding to 214343145 its reverse (541343412), we get a palindrome (755686557).

The spelling of 214343145 in words is "two hundred fourteen million, three hundred forty-three thousand, one hundred forty-five".

Divisors: 1 3 5 9 15 27 31 45 93 135 155 279 465 837 1395 4185 51217 153651 256085 460953 768255 1382859 1587727 2304765 4763181 6914295 7938635 14289543 23815905 42868629 71447715 214343145