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BaseRepresentation
bin11011001110011…
…01100001110101
3120220202001100121
431213031201311
5431431222322
634355011541
75442136114
oct1547154165
9526661317
10228382837
11107a09451
1264599bb1
1338414197
142248dc7b
15150b3ec7
hexd9cd875

228382837 has 4 divisors (see below), whose sum is σ = 228430240. Its totient is φ = 228335436.

The previous prime is 228382829. The next prime is 228382849. The reversal of 228382837 is 738283822.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 228382837 - 23 = 228382829 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 228382793 and 228382802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228382867) 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, 15537 + ... + 26422.

It is an arithmetic number, because the mean of its divisors is an integer number (57107560).

It is a 4818-hyperperfect number.

Almost surely, 2228382837 is an apocalyptic number.

It is an amenable number.

228382837 is a deficient number, since it is larger than the sum of its proper divisors (47403).

228382837 is an equidigital number, since it uses as much as digits as its factorization.

228382837 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47402.

The product of its digits is 258048, while the sum is 43.

The square root of 228382837 is about 15112.3405533359. The cubic root of 228382837 is about 611.2532123456.

The spelling of 228382837 in words is "two hundred twenty-eight million, three hundred eighty-two thousand, eight hundred thirty-seven".

Divisors: 1 5443 41959 228382837