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70120277 is a prime number
BaseRepresentation
bin1000010110111…
…11001101010101
311212221110221022
410023133031111
5120422322102
610542530525
71511004203
oct413371525
9155843838
1070120277
1136643447
121b596a45
13116b14b6
149454073
1562515a2
hex42df355

70120277 has 2 divisors, whose sum is σ = 70120278. Its totient is φ = 70120276.

The previous prime is 70120243. The next prime is 70120301. The reversal of 70120277 is 77202107.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69989956 + 130321 = 8366^2 + 361^2 .

It is a cyclic number.

It is not a de Polignac number, because 70120277 - 26 = 70120213 is a prime.

It is a super-3 number, since 3×701202773 (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70120177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35060138 + 35060139.

It is an arithmetic number, because the mean of its divisors is an integer number (35060139).

Almost surely, 270120277 is an apocalyptic number.

It is an amenable number.

70120277 is a deficient number, since it is larger than the sum of its proper divisors (1).

70120277 is an equidigital number, since it uses as much as digits as its factorization.

70120277 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1372, while the sum is 26.

The square root of 70120277 is about 8373.7851059124. The cubic root of 70120277 is about 412.3644405495.

The spelling of 70120277 in words is "seventy million, one hundred twenty thousand, two hundred seventy-seven".