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52720873 is a prime number
BaseRepresentation
bin1100100100011…
…1010011101001
310200012111102221
43021013103221
5101444031443
65121554041
71210056112
oct311072351
9120174387
1052720873
1127839a77
12157a5921
13abcb9aa
147005209
154965eed
hex32474e9

52720873 has 2 divisors, whose sum is σ = 52720874. Its totient is φ = 52720872.

The previous prime is 52720867. The next prime is 52720901. The reversal of 52720873 is 37802725.

52720873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31899904 + 20820969 = 5648^2 + 4563^2 .

It is a cyclic number.

It is not a de Polignac number, because 52720873 - 29 = 52720361 is a prime.

It is not a weakly prime, because it can be changed into another prime (52720813) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26360436 + 26360437.

It is an arithmetic number, because the mean of its divisors is an integer number (26360437).

Almost surely, 252720873 is an apocalyptic number.

It is an amenable number.

52720873 is a deficient number, since it is larger than the sum of its proper divisors (1).

52720873 is an equidigital number, since it uses as much as digits as its factorization.

52720873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 52720873 is about 7260.9140609155. The cubic root of 52720873 is about 374.9679925274.

The spelling of 52720873 in words is "fifty-two million, seven hundred twenty thousand, eight hundred seventy-three".