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1370826461 is a prime number
BaseRepresentation
bin101000110110101…
…0010011011011101
310112112110012101102
41101231102123131
510301412421321
6344005322445
745653555414
oct12155223335
93475405342
101370826461
11643883234
12323106425
1318b005a24
14d00ba47b
1580530c0b
hex51b526dd

1370826461 has 2 divisors, whose sum is σ = 1370826462. Its totient is φ = 1370826460.

The previous prime is 1370826419. The next prime is 1370826463. The reversal of 1370826461 is 1646280731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1312975225 + 57851236 = 36235^2 + 7606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1370826461 is a prime.

Together with 1370826463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1370826463) 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, 685413230 + 685413231.

It is an arithmetic number, because the mean of its divisors is an integer number (685413231).

Almost surely, 21370826461 is an apocalyptic number.

It is an amenable number.

1370826461 is a deficient number, since it is larger than the sum of its proper divisors (1).

1370826461 is an equidigital number, since it uses as much as digits as its factorization.

1370826461 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 1370826461 is about 37024.6736785080. The cubic root of 1370826461 is about 1110.8638301818.

The spelling of 1370826461 in words is "one billion, three hundred seventy million, eight hundred twenty-six thousand, four hundred sixty-one".