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85528248 = 23313467587
BaseRepresentation
bin1010001100100…
…00111010111000
312221221021200220
411012100322320
5133343400443
612253100040
72055656331
oct506207270
9187837626
1085528248
1144307703
1224787620
1314947740
14b505288
157796a83
hex5190eb8

85528248 has 64 divisors (see below), whose sum is σ = 231154560. Its totient is φ = 26215296.

The previous prime is 85528243. The next prime is 85528307. The reversal of 85528248 is 84282558.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85528243) 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, 145411 + ... + 145997.

It is an arithmetic number, because the mean of its divisors is an integer number (3611790).

Almost surely, 285528248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85528248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115577280).

85528248 is an abundant number, since it is smaller than the sum of its proper divisors (145626312).

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

85528248 is a wasteful number, since it uses less digits than its factorization.

85528248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1076 (or 1072 counting only the distinct ones).

The product of its digits is 204800, while the sum is 42.

The square root of 85528248 is about 9248.1483552114. The cubic root of 85528248 is about 440.5919168562.

The spelling of 85528248 in words is "eighty-five million, five hundred twenty-eight thousand, two hundred forty-eight".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 467 587 934 1174 1401 1761 1868 2348 2802 3522 3736 4696 5604 6071 7044 7631 11208 12142 14088 15262 18213 22893 24284 30524 36426 45786 48568 61048 72852 91572 145704 183144 274129 548258 822387 1096516 1644774 2193032 3289548 3563677 6579096 7127354 10691031 14254708 21382062 28509416 42764124 85528248