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228096405 = 3452347521
BaseRepresentation
bin11011001100001…
…11100110010101
3120220012111110000
431212013212111
5431343041110
634344521513
75436534045
oct1546074625
9526174400
10228096405
11107833229
1264480299
13383439b4
1422417725
15150591c0
hexd987995

228096405 has 80 divisors (see below), whose sum is σ = 436575744. Its totient is φ = 113667840.

The previous prime is 228096391. The next prime is 228096431. The reversal of 228096405 is 504690822.

It is a happy number.

228096405 is a `hidden beast` number, since 2 + 2 + 8 + 0 + 9 + 640 + 5 = 666.

It is not a de Polignac number, because 228096405 - 24 = 228096389 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 228096405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 437545 + ... + 438065.

Almost surely, 2228096405 is an apocalyptic number.

It is an amenable number.

228096405 is a deficient number, since it is larger than the sum of its proper divisors (208479339).

228096405 is a wasteful number, since it uses less digits than its factorization.

228096405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 608 (or 599 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 228096405 is about 15102.8608217119. The cubic root of 228096405 is about 610.9975659813.

The spelling of 228096405 in words is "two hundred twenty-eight million, ninety-six thousand, four hundred five".

Divisors: 1 3 5 9 15 23 27 45 47 69 81 115 135 141 207 235 345 405 423 521 621 705 1035 1081 1269 1563 1863 2115 2605 3105 3243 3807 4689 5405 6345 7815 9315 9729 11983 14067 16215 19035 23445 24487 29187 35949 42201 48645 59915 70335 73461 87561 107847 122435 145935 179745 211005 220383 323541 367305 437805 539235 563201 661149 970623 1101915 1617705 1689603 1983447 2816005 3305745 4853115 5068809 8448015 9917235 15206427 25344045 45619281 76032135 228096405