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83755207 is a prime number
BaseRepresentation
bin1001111111000…
…00000011000111
312211121012112201
410333200003013
5132420131312
612151055331
72034623164
oct477400307
9184535481
1083755207
1143306588
1224071547
13144766c3
14b1a306b
157546557
hex4fe00c7

83755207 has 2 divisors, whose sum is σ = 83755208. Its totient is φ = 83755206.

The previous prime is 83755193. The next prime is 83755229. The reversal of 83755207 is 70255738.

83755207 is nontrivially palindromic in base 9.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-83755207 is a prime.

It is a super-2 number, since 2×837552072 = 14029869399225698, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83755267) 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, 41877603 + 41877604.

It is an arithmetic number, because the mean of its divisors is an integer number (41877604).

Almost surely, 283755207 is an apocalyptic number.

83755207 is a deficient number, since it is larger than the sum of its proper divisors (1).

83755207 is an equidigital number, since it uses as much as digits as its factorization.

83755207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 83755207 is about 9151.7870932403. The cubic root of 83755207 is about 437.5260732216.

The spelling of 83755207 in words is "eighty-three million, seven hundred fifty-five thousand, two hundred seven".