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85499029 = 7114492473
BaseRepresentation
bin1010001100010…
…01110010010101
312221212210121201
411012021302111
5133341432104
612252312501
72055505210
oct506116225
9187783551
1085499029
1144297760
1224772731
1314937355
14b4d8777
15778d0a4
hex5189c95

85499029 has 16 divisors (see below), whose sum is σ = 106876800. Its totient is φ = 66447360.

The previous prime is 85499009. The next prime is 85499033. The reversal of 85499029 is 92099458.

It is not a de Polignac number, because 85499029 - 25 = 85498997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 85499029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85499009) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33337 + ... + 35809.

It is an arithmetic number, because the mean of its divisors is an integer number (6679800).

Almost surely, 285499029 is an apocalyptic number.

It is an amenable number.

85499029 is a deficient number, since it is larger than the sum of its proper divisors (21377771).

85499029 is a wasteful number, since it uses less digits than its factorization.

85499029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2940.

The product of its (nonzero) digits is 233280, while the sum is 46.

The square root of 85499029 is about 9246.5684986378. The cubic root of 85499029 is about 440.5417380291.

It can be divided in two parts, 8549 and 9029, that added together give a triangular number (17578 = T187).

The spelling of 85499029 in words is "eighty-five million, four hundred ninety-nine thousand, twenty-nine".

Divisors: 1 7 11 77 449 2473 3143 4939 17311 27203 34573 190421 1110377 7772639 12214147 85499029