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1270048397 is a prime number
BaseRepresentation
bin100101110110011…
…0110011010001101
310021111211010212112
41023230312122031
510100113022042
6330005313405
743321143002
oct11354663215
93244733775
101270048397
115a1a00182
122b5405865
1317317c037
14c09658a9
1576775982
hex4bb3668d

1270048397 has 2 divisors, whose sum is σ = 1270048398. Its totient is φ = 1270048396.

The previous prime is 1270048391. The next prime is 1270048441. The reversal of 1270048397 is 7938400721.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703893961 + 566154436 = 26531^2 + 23794^2 .

It is a cyclic number.

It is not a de Polignac number, because 1270048397 - 214 = 1270032013 is a prime.

It is a super-2 number, since 2×12700483972 = 3226045861444539218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1270048391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 635024198 + 635024199.

It is an arithmetic number, because the mean of its divisors is an integer number (635024199).

Almost surely, 21270048397 is an apocalyptic number.

It is an amenable number.

1270048397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1270048397 is an equidigital number, since it uses as much as digits as its factorization.

1270048397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 1270048397 is about 35637.7383822262. The cubic root of 1270048397 is about 1082.9458887377.

The spelling of 1270048397 in words is "one billion, two hundred seventy million, forty-eight thousand, three hundred ninety-seven".