Search a number
-
+
212349275 = 5283102337
BaseRepresentation
bin11001010100000…
…11000101011011
3112210120110102222
430222003011123
5413330134100
633023214255
75155640045
oct1452030533
9483513388
10212349275
11a9958176
125b14738b
1334cbc278
14202b8a95
1513998485
hexca8315b

212349275 has 12 divisors (see below), whose sum is σ = 266488152. Its totient is φ = 167831040.

The previous prime is 212349259. The next prime is 212349289. The reversal of 212349275 is 572943212.

It is a happy number.

It is not a de Polignac number, because 212349275 - 24 = 212349259 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 11 ways as a sum of consecutive naturals, for example, 49094 + ... + 53243.

It is an arithmetic number, because the mean of its divisors is an integer number (22207346).

Almost surely, 2212349275 is an apocalyptic number.

212349275 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

212349275 is a deficient number, since it is larger than the sum of its proper divisors (54138877).

212349275 is a wasteful number, since it uses less digits than its factorization.

212349275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102430 (or 102425 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 212349275 is about 14572.2089952073. The cubic root of 212349275 is about 596.6004741582.

The spelling of 212349275 in words is "two hundred twelve million, three hundred forty-nine thousand, two hundred seventy-five".

Divisors: 1 5 25 83 415 2075 102337 511685 2558425 8493971 42469855 212349275