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83250490 = 2511373673
BaseRepresentation
bin1001111011001…
…00110100111010
312210122120012111
410331210310322
5132303003430
612132202534
72030421541
oct475446472
9183576174
1083250490
1142aa1364
1223a6944a
131432aa5b
14b0b1158
157496c2a
hex4f64d3a

83250490 has 16 divisors (see below), whose sum is σ = 151179048. Its totient is φ = 33005056.

The previous prime is 83250473. The next prime is 83250491. The reversal of 83250490 is 9405238.

It can be written as a sum of positive squares in 4 ways, for example, as 60047001 + 23203489 = 7749^2 + 4817^2 .

It is not an unprimeable number, because it can be changed into a prime (83250491) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35707 + ... + 37966.

Almost surely, 283250490 is an apocalyptic number.

83250490 is a deficient number, since it is larger than the sum of its proper divisors (67928558).

83250490 is a wasteful number, since it uses less digits than its factorization.

83250490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73793.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 83250490 is about 9124.1706472424. The cubic root of 83250490 is about 436.6454437432.

The spelling of 83250490 in words is "eighty-three million, two hundred fifty thousand, four hundred ninety".

Divisors: 1 2 5 10 113 226 565 1130 73673 147346 368365 736730 8325049 16650098 41625245 83250490