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85210733 is a prime number
BaseRepresentation
bin1010001010000…
…11011001101101
312221100011011002
411011003121231
5133303220413
612242210045
72053164536
oct505033155
9187304132
1085210733
11441100a3
1224653925
131486606a
14b46168d
157732958
hex514366d

85210733 has 2 divisors, whose sum is σ = 85210734. Its totient is φ = 85210732.

The previous prime is 85210711. The next prime is 85210757. The reversal of 85210733 is 33701258.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84695209 + 515524 = 9203^2 + 718^2 .

It is a cyclic number.

It is not a de Polignac number, because 85210733 - 220 = 84162157 is a prime.

It is a super-4 number, since 4×852107334 (a number of 33 digits) contains 4444 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 85210696 and 85210705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85210703) 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, 42605366 + 42605367.

It is an arithmetic number, because the mean of its divisors is an integer number (42605367).

Almost surely, 285210733 is an apocalyptic number.

It is an amenable number.

85210733 is a deficient number, since it is larger than the sum of its proper divisors (1).

85210733 is an equidigital number, since it uses as much as digits as its factorization.

85210733 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 85210733 is about 9230.9659841211. The cubic root of 85210733 is about 440.0460230785.

The spelling of 85210733 in words is "eighty-five million, two hundred ten thousand, seven hundred thirty-three".