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52822980 = 223257253113
BaseRepresentation
bin1100100110000…
…0001111000100
310200101200111200
43021200033010
5102010313410
65124102500
71210662600
oct311401704
9120350450
1052822980
11278a9761
1215834a30
13ac36302
147030500
1549863c0
hex32603c4

52822980 has 216 divisors, whose sum is σ = 191587032. Its totient is φ = 11741184.

The previous prime is 52822967. The next prime is 52822997. The reversal of 52822980 is 8922825.

It can be written as a sum of positive squares in 4 ways, for example, as 636804 + 52186176 = 798^2 + 7224^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 467404 + ... + 467516.

It is an arithmetic number, because the mean of its divisors is an integer number (886977).

Almost surely, 252822980 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 52822980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95793516).

52822980 is an abundant number, since it is smaller than the sum of its proper divisors (138764052).

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

52822980 is a wasteful number, since it uses less digits than its factorization.

52822980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 52822980 is about 7267.9419370273. The cubic root of 52822980 is about 375.2099091465.

The spelling of 52822980 in words is "fifty-two million, eight hundred twenty-two thousand, nine hundred eighty".