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228080208 = 24321532207
BaseRepresentation
bin11011001100000…
…11101001010000
3120220011200020010
431212003221100
5431342031313
634344314520
75436435606
oct1546035120
9526150203
10228080208
11107822044
1264472a40
1338339505
1422411876
15150544c3
hexd983a50

228080208 has 40 divisors (see below), whose sum is σ = 589747968. Its totient is φ = 75956992.

The previous prime is 228080197. The next prime is 228080221. The reversal of 228080208 is 802080822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102241 + ... + 104447.

Almost surely, 2228080208 is an apocalyptic number.

It is an amenable number.

228080208 is an abundant number, since it is smaller than the sum of its proper divisors (361667760).

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

228080208 is a wasteful number, since it uses less digits than its factorization.

228080208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4371 (or 4365 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 30.

The square root of 228080208 is about 15102.3245892809. The cubic root of 228080208 is about 610.9831034389.

The spelling of 228080208 in words is "two hundred twenty-eight million, eighty thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 12 16 24 48 2153 2207 4306 4414 6459 6621 8612 8828 12918 13242 17224 17656 25836 26484 34448 35312 51672 52968 103344 105936 4751671 9503342 14255013 19006684 28510026 38013368 57020052 76026736 114040104 228080208