Search a number
-
+
212514412 = 221110745139
BaseRepresentation
bin11001010101010…
…11011001101100
3112210212211222011
430222223121230
5413400430122
633030531004
75160225355
oct1452533154
9483784864
10212514412
11a9a60250
125b206a64
1335049496
142031cd2c
15139cc377
hexcaab66c

212514412 has 24 divisors (see below), whose sum is σ = 409510080. Its totient is φ = 95692560.

The previous prime is 212514391. The next prime is 212514413. The reversal of 212514412 is 214415212.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (212514413) 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, 17862 + ... + 27277.

It is an arithmetic number, because the mean of its divisors is an integer number (17062920).

Almost surely, 2212514412 is an apocalyptic number.

212514412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

212514412 is a deficient number, since it is larger than the sum of its proper divisors (196995668).

212514412 is a wasteful number, since it uses less digits than its factorization.

212514412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45261 (or 45259 counting only the distinct ones).

The product of its digits is 640, while the sum is 22.

The square root of 212514412 is about 14577.8740562539. The cubic root of 212514412 is about 596.7550862311.

Adding to 212514412 its reverse (214415212), we get a palindrome (426929624).

The spelling of 212514412 in words is "two hundred twelve million, five hundred fourteen thousand, four hundred twelve".

Divisors: 1 2 4 11 22 44 107 214 428 1177 2354 4708 45139 90278 180556 496529 993058 1986116 4829873 9659746 19319492 53128603 106257206 212514412