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90016272 = 243469457
BaseRepresentation
bin1010101110110…
…00101000010000
320021101022010000
411113120220100
5141021010042
612533210000
72142061053
oct527305020
9207338100
1090016272
11468a2615
1226190900
1315859488
14bd52a9a
157d8174c
hex55d8a10

90016272 has 50 divisors (see below), whose sum is σ = 260536958. Its totient is φ = 30004992.

The previous prime is 90016253. The next prime is 90016307. The reversal of 90016272 is 27261009.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 29550096 = 7776^2 + 5436^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

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 9 ways as a sum of consecutive naturals, for example, 33433 + ... + 36024.

Almost surely, 290016272 is an apocalyptic number.

It is an amenable number.

90016272 is an abundant number, since it is smaller than the sum of its proper divisors (170520686).

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

90016272 is a wasteful number, since it uses less digits than its factorization.

90016272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69477 (or 69462 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 27.

The square root of 90016272 is about 9487.6905514461. The cubic root of 90016272 is about 448.1674809608.

The spelling of 90016272 in words is "ninety million, sixteen thousand, two hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 69457 138914 208371 277828 416742 555656 625113 833484 1111312 1250226 1666968 1875339 2500452 3333936 3750678 5000904 5626017 7501356 10001808 11252034 15002712 22504068 30005424 45008136 90016272