[go: up one dir, main page]

Search a number
-
+
214305252 = 223722711239
BaseRepresentation
bin11001100011000…
…00100111100100
3112221020211112120
430301200213210
5414330232002
633133145540
75211364440
oct1461404744
9487224476
10214305252
11aaa73787
125b92b2b0
1335525655
1420667820
1513c32cbc
hexcc609e4

214305252 has 48 divisors (see below), whose sum is σ = 574049280. Its totient is φ = 60954912.

The previous prime is 214305229. The next prime is 214305257. The reversal of 214305252 is 252503412.

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (214305257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13449 + ... + 24687.

It is an arithmetic number, because the mean of its divisors is an integer number (11959360).

Almost surely, 2214305252 is an apocalyptic number.

It is an amenable number.

214305252 is an abundant number, since it is smaller than the sum of its proper divisors (359744028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

214305252 is a wasteful number, since it uses less digits than its factorization.

214305252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11480 (or 11478 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 214305252 is about 14639.1684190052. The cubic root of 214305252 is about 598.4266668664.

Adding to 214305252 its reverse (252503412), we get a palindrome (466808664).

The spelling of 214305252 in words is "two hundred fourteen million, three hundred five thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 227 454 681 908 1362 1589 2724 3178 4767 6356 9534 11239 19068 22478 33717 44956 67434 78673 134868 157346 236019 314692 472038 944076 2551253 5102506 7653759 10205012 15307518 17858771 30615036 35717542 53576313 71435084 107152626 214305252