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214988 = 2271757
BaseRepresentation
bin110100011111001100
3101220220112
4310133030
523334423
64335152
71553534
oct643714
9356815
10214988
11137584
12a44b8
1376b17
14584c4
1543a78
hex347cc

214988 has 12 divisors (see below), whose sum is σ = 382032. Its totient is φ = 105840.

The previous prime is 214987. The next prime is 214993. The reversal of 214988 is 889412.

It is a happy number.

It is a plaindrome in base 16.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 214988.

It is not an unprimeable number, because it can be changed into a prime (214987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95 + ... + 662.

It is an arithmetic number, because the mean of its divisors is an integer number (31836).

2214988 is an apocalyptic number.

It is an amenable number.

214988 is a deficient number, since it is larger than the sum of its proper divisors (167044).

214988 is a wasteful number, since it uses less digits than its factorization.

214988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 830 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 214988 is about 463.6679846614. The cubic root of 214988 is about 59.9061495745.

The spelling of 214988 in words is "two hundred fourteen thousand, nine hundred eighty-eight".

Divisors: 1 2 4 71 142 284 757 1514 3028 53747 107494 214988