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231252214 = 21731933463
BaseRepresentation
bin11011100100010…
…10000011110110
3121010010211101211
431302022003312
5433200032324
634540312034
75505416464
oct1562120366
9533124354
10231252214
11109599236
126554261a
1338baa23b
14229d9834
151547e294
hexdc8a0f6

231252214 has 16 divisors (see below), whose sum is σ = 350792352. Its totient is φ = 114329088.

The previous prime is 231252209. The next prime is 231252239. The reversal of 231252214 is 412252132.

It is a happy number.

231252214 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65047 + ... + 68509.

It is an arithmetic number, because the mean of its divisors is an integer number (21924522).

Almost surely, 2231252214 is an apocalyptic number.

231252214 is a deficient number, since it is larger than the sum of its proper divisors (119540138).

231252214 is a wasteful number, since it uses less digits than its factorization.

231252214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831.

The product of its digits is 960, while the sum is 22.

The square root of 231252214 is about 15206.9791214429. The cubic root of 231252214 is about 613.8024719429.

The spelling of 231252214 in words is "two hundred thirty-one million, two hundred fifty-two thousand, two hundred fourteen".

Divisors: 1 2 173 193 346 386 3463 6926 33389 66778 599099 668359 1198198 1336718 115626107 231252214