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85753030 = 2511779573
BaseRepresentation
bin1010001110001…
…11110011000110
312222100201001011
411013013303012
5133423044110
612301552434
72060613556
oct507076306
9188321034
1085753030
1144450580
122487571a
13149c5b4c
14b563166
1577dd48a
hex51c7cc6

85753030 has 16 divisors (see below), whose sum is σ = 168387984. Its totient is φ = 31182880.

The previous prime is 85753021. The next prime is 85753033. The reversal of 85753030 is 3035758.

It is a junction number, because it is equal to n+sod(n) for n = 85752983 and 85753001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85753033) 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, 389677 + ... + 389896.

It is an arithmetic number, because the mean of its divisors is an integer number (10524249).

Almost surely, 285753030 is an apocalyptic number.

85753030 is a deficient number, since it is larger than the sum of its proper divisors (82634954).

85753030 is a wasteful number, since it uses less digits than its factorization.

85753030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779591.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 85753030 is about 9260.2931919027. The cubic root of 85753030 is about 440.9775613623.

Adding to 85753030 its reverse (3035758), we get a palindrome (88788788).

The spelling of 85753030 in words is "eighty-five million, seven hundred fifty-three thousand, thirty".

Divisors: 1 2 5 10 11 22 55 110 779573 1559146 3897865 7795730 8575303 17150606 42876515 85753030