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228067266 = 2372775739
BaseRepresentation
bin11011001100000…
…00011111000010
3120220011000110210
431212000133002
5431341123031
634344134550
75436353100
oct1546003702
9526130423
10228067266
11107813349
1264467456
133833365b
142240ac70
1515050746
hexd9807c2

228067266 has 24 divisors (see below), whose sum is σ = 530606160. Its totient is φ = 65161992.

The previous prime is 228067247. The next prime is 228067267. The reversal of 228067266 is 662760822.

It is not an unprimeable number, because it can be changed into a prime (228067267) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 387576 + ... + 388163.

It is an arithmetic number, because the mean of its divisors is an integer number (22108590).

Almost surely, 2228067266 is an apocalyptic number.

228067266 is an abundant number, since it is smaller than the sum of its proper divisors (302538894).

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

228067266 is a wasteful number, since it uses less digits than its factorization.

228067266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 775758 (or 775751 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 228067266 is about 15101.8961061186. The cubic root of 228067266 is about 610.9715468422.

The spelling of 228067266 in words is "two hundred twenty-eight million, sixty-seven thousand, two hundred sixty-six".

Divisors: 1 2 3 6 7 14 21 42 49 98 147 294 775739 1551478 2327217 4654434 5430173 10860346 16290519 32581038 38011211 76022422 114033633 228067266