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85718044 = 22194127509
BaseRepresentation
bin1010001101111…
…11010000011100
312222021221001101
411012333100130
5133420434134
612301122444
72060406556
oct506772034
9188257041
1085718044
1144427265
1224859424
13149b2c49
14b5544d6
1577d2e14
hex51bf41c

85718044 has 24 divisors (see below), whose sum is σ = 161758800. Its totient is φ = 39611520.

The previous prime is 85717969. The next prime is 85718047. The reversal of 85718044 is 44081758.

It is a junction number, because it is equal to n+sod(n) for n = 85717994 and 85718012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85718047) 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, 10639 + ... + 16870.

It is an arithmetic number, because the mean of its divisors is an integer number (6739950).

Almost surely, 285718044 is an apocalyptic number.

It is an amenable number.

85718044 is a deficient number, since it is larger than the sum of its proper divisors (76040756).

85718044 is a wasteful number, since it uses less digits than its factorization.

85718044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27573 (or 27571 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 85718044 is about 9258.4039661272. The cubic root of 85718044 is about 440.9175823754.

The spelling of 85718044 in words is "eighty-five million, seven hundred eighteen thousand, forty-four".

Divisors: 1 2 4 19 38 41 76 82 164 779 1558 3116 27509 55018 110036 522671 1045342 1127869 2090684 2255738 4511476 21429511 42859022 85718044