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85748330 = 2519223753
BaseRepresentation
bin1010001110001…
…10101001101010
312222100110121002
411013012221222
5133422421310
612301515002
72060564063
oct507065152
9188313532
1085748330
1144447a98
1224872a62
13149c3975
14b56156a
1577dbda5
hex51c6a6a

85748330 has 24 divisors (see below), whose sum is σ = 162904932. Its totient is φ = 32492736.

The previous prime is 85748309. The next prime is 85748353. The reversal of 85748330 is 3384758.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 85618009 + 130321 = 9253^2 + 361^2 .

It is a Harshad number since it is a multiple of its sum of digits (38).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8267 + ... + 15486.

Almost surely, 285748330 is an apocalyptic number.

85748330 is a deficient number, since it is larger than the sum of its proper divisors (77156602).

85748330 is a wasteful number, since it uses less digits than its factorization.

85748330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23798 (or 23779 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 85748330 is about 9260.0394167628. The cubic root of 85748330 is about 440.9695047669.

The spelling of 85748330 in words is "eighty-five million, seven hundred forty-eight thousand, three hundred thirty".

Divisors: 1 2 5 10 19 38 95 190 361 722 1805 3610 23753 47506 118765 237530 451307 902614 2256535 4513070 8574833 17149666 42874165 85748330