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90730150 = 2527259229
BaseRepresentation
bin1010110100001…
…10111010100110
320022201120100221
411122012322212
5141211331100
613000354554
72151123250
oct532067246
9208646327
1090730150
114723a9a5
1226475a5a
1315a493a4
14c09acd0
157e7301a
hex5686ea6

90730150 has 24 divisors (see below), whose sum is σ = 192867120. Its totient is φ = 31107360.

The previous prime is 90730121. The next prime is 90730151. The reversal of 90730150 is 5103709.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90730151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129265 + ... + 129964.

It is an arithmetic number, because the mean of its divisors is an integer number (8036130).

Almost surely, 290730150 is an apocalyptic number.

90730150 is an abundant number, since it is smaller than the sum of its proper divisors (102136970).

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

90730150 is a wasteful number, since it uses less digits than its factorization.

90730150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259248 (or 259243 counting only the distinct ones).

The product of its (nonzero) digits is 945, while the sum is 25.

The square root of 90730150 is about 9525.2375298467. The cubic root of 90730150 is about 449.3491001158.

Adding to 90730150 its reverse (5103709), we get a palindrome (95833859).

The spelling of 90730150 in words is "ninety million, seven hundred thirty thousand, one hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 259229 518458 1296145 1814603 2592290 3629206 6480725 9073015 12961450 18146030 45365075 90730150