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70951541 is a prime number
BaseRepresentation
bin1000011101010…
…10001001110101
311221111201012212
410032222021311
5121130422131
611012423205
71521035543
oct416521165
9157451185
1070951541
1137060a41
121b917b05
131191297b
1495ccd93
156367a2b
hex43aa275

70951541 has 2 divisors, whose sum is σ = 70951542. Its totient is φ = 70951540.

The previous prime is 70951537. The next prime is 70951561. The reversal of 70951541 is 14515907.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52504516 + 18447025 = 7246^2 + 4295^2 .

It is a cyclic number.

It is not a de Polignac number, because 70951541 - 22 = 70951537 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70951498 and 70951507.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70951501) 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, 35475770 + 35475771.

It is an arithmetic number, because the mean of its divisors is an integer number (35475771).

Almost surely, 270951541 is an apocalyptic number.

It is an amenable number.

70951541 is a deficient number, since it is larger than the sum of its proper divisors (1).

70951541 is an equidigital number, since it uses as much as digits as its factorization.

70951541 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 70951541 is about 8423.2737697406. The cubic root of 70951541 is about 413.9875469816.

The spelling of 70951541 in words is "seventy million, nine hundred fifty-one thousand, five hundred forty-one".