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4223808 = 26327333
BaseRepresentation
bin10000000111001101000000
321221120222100
4100013031000
52040130213
6230310400
750621211
oct20071500
97846870
104223808
112425456
1214b8400
13b4b6c4
147bd408
15586773
hex407340

4223808 has 42 divisors (see below), whose sum is σ = 12108434. Its totient is φ = 1407744.

The previous prime is 4223801. The next prime is 4223831. The reversal of 4223808 is 8083224.

It can be written as a sum of positive squares in only one way, i.e., 2286144 + 1937664 = 1512^2 + 1392^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4223801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3091 + ... + 4242.

Almost surely, 24223808 is an apocalyptic number.

4223808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4223808 is an abundant number, since it is smaller than the sum of its proper divisors (7884626).

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

4223808 is a wasteful number, since it uses less digits than its factorization.

4223808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7351 (or 7338 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 4223808 is about 2055.1905021190. The cubic root of 4223808 is about 161.6471515514.

The spelling of 4223808 in words is "four million, two hundred twenty-three thousand, eight hundred eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 7333 14666 21999 29332 43998 58664 65997 87996 117328 131994 175992 234656 263988 351984 469312 527976 703968 1055952 1407936 2111904 4223808