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2229768 = 23353137
BaseRepresentation
bin1000100000011000001000
311012021200000
420200120020
51032323033
6115443000
724644532
oct10403010
94167600
102229768
111293292
128b6460
13600bb8
14420852
152e0a13
hex220608

2229768 has 96 divisors (see below), whose sum is σ = 6639360. Its totient is φ = 699840.

The previous prime is 2229767. The next prime is 2229769. The reversal of 2229768 is 8679222.

It is an interprime number because it is at equal distance from previous prime (2229767) and next prime (2229769).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a d-powerful number, because it can be written as 25 + 27 + 217 + 92 + 7 + 64 + 87 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2229767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60246 + ... + 60282.

It is an arithmetic number, because the mean of its divisors is an integer number (69160).

22229768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2229768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3319680).

2229768 is an abundant number, since it is smaller than the sum of its proper divisors (4409592).

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

2229768 is a wasteful number, since it uses less digits than its factorization.

2229768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89 (or 73 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 2229768 is about 1493.2407709408. The cubic root of 2229768 is about 130.6431247791.

The spelling of 2229768 in words is "two million, two hundred twenty-nine thousand, seven hundred sixty-eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 37 54 62 72 74 81 93 108 111 124 148 162 186 216 222 243 248 279 296 324 333 372 444 486 558 648 666 744 837 888 972 999 1116 1147 1332 1674 1944 1998 2232 2294 2511 2664 2997 3348 3441 3996 4588 5022 5994 6696 6882 7533 7992 8991 9176 10044 10323 11988 13764 15066 17982 20088 20646 23976 27528 30132 30969 35964 41292 60264 61938 71928 82584 92907 123876 185814 247752 278721 371628 557442 743256 1114884 2229768