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88197228 = 22337116663
BaseRepresentation
bin1010100000111…
…00100001101100
320010221212212000
411100130201230
5140034302403
612430212300
72120443530
oct520344154
9203855760
1088197228
114586a979
1225654090
1315370512
14b9dbbc0
157b227a3
hex541c86c

88197228 has 48 divisors (see below), whose sum is σ = 261327360. Its totient is φ = 25198992.

The previous prime is 88197223. The next prime is 88197229. The reversal of 88197228 is 82279188.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (88197223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57576 + ... + 59087.

It is an arithmetic number, because the mean of its divisors is an integer number (5444320).

Almost surely, 288197228 is an apocalyptic number.

It is an amenable number.

88197228 is an abundant number, since it is smaller than the sum of its proper divisors (173130132).

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

88197228 is a wasteful number, since it uses less digits than its factorization.

88197228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116683 (or 116675 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 88197228 is about 9391.3379238530. The cubic root of 88197228 is about 445.1280664942.

The spelling of 88197228 in words is "eighty-eight million, one hundred ninety-seven thousand, two hundred twenty-eight".

Divisors: 1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 189 252 378 756 116663 233326 349989 466652 699978 816641 1049967 1399956 1633282 2099934 2449923 3149901 3266564 4199868 4899846 6299802 7349769 9799692 12599604 14699538 22049307 29399076 44098614 88197228