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88229331 = 341957329
BaseRepresentation
bin1010100001001…
…00010111010011
320011000111220000
411100210113103
5140041314311
612431021043
72120636241
oct520442723
9204014800
1088229331
1145892003
122566a783
1315382008
14ba09791
157b2c056
hex54245d3

88229331 has 20 divisors (see below), whose sum is σ = 138738600. Its totient is φ = 55722816.

The previous prime is 88229329. The next prime is 88229341. The reversal of 88229331 is 13392288.

It is a happy number.

It is not a de Polignac number, because 88229331 - 21 = 88229329 is a prime.

It is a super-2 number, since 2×882293312 = 15568829697415122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (88229341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 27126 + ... + 30203.

It is an arithmetic number, because the mean of its divisors is an integer number (6936930).

Almost surely, 288229331 is an apocalyptic number.

88229331 is a gapful number since it is divisible by the number (81) formed by its first and last digit.

88229331 is a deficient number, since it is larger than the sum of its proper divisors (50509269).

88229331 is a wasteful number, since it uses less digits than its factorization.

88229331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57360 (or 57351 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 88229331 is about 9393.0469497389. The cubic root of 88229331 is about 445.1820674841.

The spelling of 88229331 in words is "eighty-eight million, two hundred twenty-nine thousand, three hundred thirty-one".

Divisors: 1 3 9 19 27 57 81 171 513 1539 57329 171987 515961 1089251 1547883 3267753 4643649 9803259 29409777 88229331