Search a number
BaseRepresentation
bin11011001110011…
…01100001101101
3120220202001100022
431213031201231
5431431222304
634355011525
75442136103
oct1547154155
9526661308
10228382829
11107a09444
1264599ba5
133841418c
142248dc73
15150b3ebe
hexd9cd86d

228382829 has 2 divisors, whose sum is σ = 228382830. Its totient is φ = 228382828.

The previous prime is 228382799. The next prime is 228382849. The reversal of 228382829 is 928283822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 225150025 + 3232804 = 15005^2 + 1798^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-228382829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 228382829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228382849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114191414 + 114191415.

It is an arithmetic number, because the mean of its divisors is an integer number (114191415).

Almost surely, 2228382829 is an apocalyptic number.

It is an amenable number.

228382829 is a deficient number, since it is larger than the sum of its proper divisors (1).

228382829 is an equidigital number, since it uses as much as digits as its factorization.

228382829 is an evil number, because the sum of its binary digits is even.

The product of its digits is 221184, while the sum is 44.

The square root of 228382829 is about 15112.3402886515. The cubic root of 228382829 is about 611.2532052084.

The spelling of 228382829 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred twenty-nine".