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85888740 = 223571947229
BaseRepresentation
bin1010001111010…
…00111011100100
312222121121012110
411013220323210
5133441414430
612304521020
72062020330
oct507507344
9188547173
1085888740
1144533533
1224920170
1314a42852
14b59a7c0
1578187b0
hex51e8ee4

85888740 has 192 divisors, whose sum is σ = 296755200. Its totient is φ = 18123264.

The previous prime is 85888711. The next prime is 85888757. The reversal of 85888740 is 4788858.

It is a self number, because there is not a number n which added to its sum of digits gives 85888740.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 374946 + ... + 375174.

It is an arithmetic number, because the mean of its divisors is an integer number (1545600).

Almost surely, 285888740 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 85888740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148377600).

85888740 is an abundant number, since it is smaller than the sum of its proper divisors (210866460).

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

85888740 is a wasteful number, since it uses less digits than its factorization.

85888740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 314 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 48.

The square root of 85888740 is about 9267.6178168934. The cubic root of 85888740 is about 441.2100644118.

It can be divided in two parts, 858 and 88740, that added together give a palindrome (89598).

The spelling of 85888740 in words is "eighty-five million, eight hundred eighty-eight thousand, seven hundred forty".