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BaseRepresentation
bin110111011101000010
3102112120112
4313131002
524232023
64511322
71634132
oct673502
9375515
10227138
1114571a
12ab542
137c502
145cac2
1547478
hex37742

227138 has 6 divisors (see below), whose sum is σ = 341721. Its totient is φ = 113232.

The previous prime is 227131. The next prime is 227147. The reversal of 227138 is 831722.

It can be written as a sum of positive squares in 2 ways, for example, as 214369 + 12769 = 463^2 + 113^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=337.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (227131) by changing a digit.

227138 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 506 + ... + 842.

2227138 is an apocalyptic number.

227138 is a deficient number, since it is larger than the sum of its proper divisors (114583).

227138 is an frugal number, since it uses more digits than its factorization.

227138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676 (or 339 counting only the distinct ones).

The product of its digits is 672, while the sum is 23.

The square root of 227138 is about 476.5899705197. The cubic root of 227138 is about 61.0140610782.

The spelling of 227138 in words is "two hundred twenty-seven thousand, one hundred thirty-eight".

Divisors: 1 2 337 674 113569 227138