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214457886 = 23211914327
BaseRepresentation
bin11001100100001…
…01111000011110
3112221112120220200
430302011320132
5414400123021
633140324330
75212601436
oct1462057036
9487476820
10214457886
11100068425
125b9a36a6
1335579c76
14206a72c6
1513c63126
hexcc85e1e

214457886 has 12 divisors (see below), whose sum is σ = 464658792. Its totient is φ = 71485956.

The previous prime is 214457869. The next prime is 214457891. The reversal of 214457886 is 688754412.

214457886 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 5 ways as a sum of consecutive naturals, for example, 5957146 + ... + 5957181.

It is an arithmetic number, because the mean of its divisors is an integer number (38721566).

Almost surely, 2214457886 is an apocalyptic number.

214457886 is an abundant number, since it is smaller than the sum of its proper divisors (250200906).

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

214457886 is a wasteful number, since it uses less digits than its factorization.

214457886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11914335 (or 11914332 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 214457886 is about 14644.3806970455. The cubic root of 214457886 is about 598.5687050395.

The spelling of 214457886 in words is "two hundred fourteen million, four hundred fifty-seven thousand, eight hundred eighty-six".

Divisors: 1 2 3 6 9 18 11914327 23828654 35742981 71485962 107228943 214457886