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32865066 = 23213140449
BaseRepresentation
bin111110101011…
…1101100101010
32021211201101200
41331113230222
531403140231
63132225030
7546230343
oct175275452
967751350
1032865066
1117608013
12b00b176
136a690b0
1445170ca
152d42be6
hex1f57b2a

32865066 has 24 divisors (see below), whose sum is σ = 76685700. Its totient is φ = 10112256.

The previous prime is 32865061. The next prime is 32865083. The reversal of 32865066 is 66056823.

It can be written as a sum of positive squares in 2 ways, for example, as 30569841 + 2295225 = 5529^2 + 1515^2 .

It is a super-2 number, since 2×328650662 = 2160225126368712, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32865066.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32865061) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69991 + ... + 70458.

Almost surely, 232865066 is an apocalyptic number.

32865066 is an abundant number, since it is smaller than the sum of its proper divisors (43820634).

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

32865066 is a wasteful number, since it uses less digits than its factorization.

32865066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140470 (or 140467 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 32865066 is about 5732.8061191706. The cubic root of 32865066 is about 320.3156585737.

The spelling of 32865066 in words is "thirty-two million, eight hundred sixty-five thousand, sixty-six".

Divisors: 1 2 3 6 9 13 18 26 39 78 117 234 140449 280898 421347 842694 1264041 1825837 2528082 3651674 5477511 10955022 16432533 32865066