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85489722 = 2336723629
BaseRepresentation
bin1010001100001…
…11100000111010
312221212022212000
411012013200322
5133341132342
612252201430
72055436113
oct506074072
9187768760
1085489722
114429076a
1224769276
1314933046
14b4d520a
15778a44c
hex518783a

85489722 has 32 divisors (see below), whose sum is σ = 192820800. Its totient is φ = 28070064.

The previous prime is 85489711. The next prime is 85489727. The reversal of 85489722 is 22798458.

It is a super-4 number, since 4×854897224 (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (85489727) 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, 8197 + ... + 15432.

It is an arithmetic number, because the mean of its divisors is an integer number (6025650).

Almost surely, 285489722 is an apocalyptic number.

85489722 is an abundant number, since it is smaller than the sum of its proper divisors (107331078).

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

85489722 is a wasteful number, since it uses less digits than its factorization.

85489722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23707 (or 23701 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 85489722 is about 9246.0652171613. The cubic root of 85489722 is about 440.5257523866.

The spelling of 85489722 in words is "eighty-five million, four hundred eighty-nine thousand, seven hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 67 134 201 402 603 1206 1809 3618 23629 47258 70887 141774 212661 425322 637983 1275966 1583143 3166286 4749429 9498858 14248287 28496574 42744861 85489722