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85449224 = 2371679137
BaseRepresentation
bin1010001011111…
…01101000001000
312221210021022002
411011331220020
5133333333344
612251250132
72055210050
oct505755010
9187707262
1085449224
11442632a3
1224749948
131491a793
14b4c4560
15777d44e
hex517da08

85449224 has 32 divisors (see below), whose sum is σ = 184222080. Its totient is φ = 36397824.

The previous prime is 85449223. The next prime is 85449233. The reversal of 85449224 is 42294458.

It is a happy number.

It is a plaindrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (85449223) 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, 4784 + ... + 13920.

It is an arithmetic number, because the mean of its divisors is an integer number (5756940).

Almost surely, 285449224 is an apocalyptic number.

It is an amenable number.

85449224 is an abundant number, since it is smaller than the sum of its proper divisors (98772856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

85449224 is a wasteful number, since it uses less digits than its factorization.

85449224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9317 (or 9313 counting only the distinct ones).

The product of its digits is 92160, while the sum is 38.

The square root of 85449224 is about 9243.8749450650. The cubic root of 85449224 is about 440.4561797746.

The spelling of 85449224 in words is "eighty-five million, four hundred forty-nine thousand, two hundred twenty-four".

Divisors: 1 2 4 7 8 14 28 56 167 334 668 1169 1336 2338 4676 9137 9352 18274 36548 63959 73096 127918 255836 511672 1525879 3051758 6103516 10681153 12207032 21362306 42724612 85449224