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70051049 is a prime number
BaseRepresentation
bin1000010110011…
…10010011101001
311212210221222022
410023032103221
5120413113144
610541234225
71510265315
oct413162351
9155727868
1070051049
11365a6432
121b562975
1311688b33
149436b45
15623acee
hex42ce4e9

70051049 has 2 divisors, whose sum is σ = 70051050. Its totient is φ = 70051048.

The previous prime is 70051013. The next prime is 70051109. The reversal of 70051049 is 94015007.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69839449 + 211600 = 8357^2 + 460^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70051049 is a prime.

It is a Chen prime.

It is equal to p4120892 and since 70051049 and 4120892 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (70071049) 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, 35025524 + 35025525.

It is an arithmetic number, because the mean of its divisors is an integer number (35025525).

Almost surely, 270051049 is an apocalyptic number.

It is an amenable number.

70051049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70051049 is an equidigital number, since it uses as much as digits as its factorization.

70051049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 70051049 is about 8369.6504705991. The cubic root of 70051049 is about 412.2286901574.

The spelling of 70051049 in words is "seventy million, fifty-one thousand, forty-nine".