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90362272 = 25721113231
BaseRepresentation
bin1010110001011…
…01000110100000
320022000212201211
411120231012200
5141113043042
612544435504
72145031600
oct530550640
9208025654
1090362272
1147009570
1226318b94
131594ab00
14c002c00
157dee017
hex562d1a0

90362272 has 216 divisors, whose sum is σ = 252346752. Its totient is φ = 31449600.

The previous prime is 90362263. The next prime is 90362273. The reversal of 90362272 is 27226309.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (90362273) 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 35 ways as a sum of consecutive naturals, for example, 2914897 + ... + 2914927.

It is an arithmetic number, because the mean of its divisors is an integer number (1168272).

Almost surely, 290362272 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 90362272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126173376).

90362272 is an abundant number, since it is smaller than the sum of its proper divisors (161984480).

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

90362272 is a wasteful number, since it uses less digits than its factorization.

90362272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 64 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 90362272 is about 9505.9072160420. The cubic root of 90362272 is about 448.7409613251.

The spelling of 90362272 in words is "ninety million, three hundred sixty-two thousand, two hundred seventy-two".