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282057132 = 223731729139
BaseRepresentation
bin10000110011111…
…101100110101100
3201122201222122110
4100303331212230
51034201312012
643553244020
76663306000
oct2063754654
9648658573
10282057132
11135239775
127a563610
1346587b16
1429662700
1519b6773c
hex10cfd9ac

282057132 has 192 divisors, whose sum is σ = 846720000. Its totient is φ = 72705024.

The previous prime is 282057131. The next prime is 282057143. The reversal of 282057132 is 231750282.

It is a self number, because there is not a number n which added to its sum of digits gives 282057132.

It is not an unprimeable number, because it can be changed into a prime (282057131) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2029119 + ... + 2029257.

It is an arithmetic number, because the mean of its divisors is an integer number (4410000).

Almost surely, 2282057132 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 282057132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423360000).

282057132 is an abundant number, since it is smaller than the sum of its proper divisors (564662868).

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

282057132 is a wasteful number, since it uses less digits than its factorization.

282057132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 282057132 is about 16794.5566181427. The cubic root of 282057132 is about 655.8115008426.

The spelling of 282057132 in words is "two hundred eighty-two million, fifty-seven thousand, one hundred thirty-two".