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228045664 = 2571192551
BaseRepresentation
bin11011001011110…
…11001101100000
3120220002220211201
431211323031200
5431334430124
634343450544
75436233110
oct1545731540
9526086751
10228045664
111077a90a0
1264456a54
1338326882
1422403040
1515049144
hexd97b360

228045664 has 48 divisors (see below), whose sum is σ = 559754496. Its totient is φ = 88848000.

The previous prime is 228045637. The next prime is 228045677. The reversal of 228045664 is 466540822.

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, 43812 + ... + 48739.

It is an arithmetic number, because the mean of its divisors is an integer number (11661552).

Almost surely, 2228045664 is an apocalyptic number.

It is an amenable number.

228045664 is an abundant number, since it is smaller than the sum of its proper divisors (331708832).

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

228045664 is a wasteful number, since it uses less digits than its factorization.

228045664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92579 (or 92571 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 37.

The square root of 228045664 is about 15101.1808809775. The cubic root of 228045664 is about 610.9522562994.

The spelling of 228045664 in words is "two hundred twenty-eight million, forty-five thousand, six hundred sixty-four".

Divisors: 1 2 4 7 8 11 14 16 22 28 32 44 56 77 88 112 154 176 224 308 352 616 1232 2464 92551 185102 370204 647857 740408 1018061 1295714 1480816 2036122 2591428 2961632 4072244 5182856 7126427 8144488 10365712 14252854 16288976 20731424 28505708 32577952 57011416 114022832 228045664