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70002461 is a prime number
BaseRepresentation
bin1000010110000…
…10011100011101
311212201111022202
410023002130131
5120410034321
610540221245
71510003544
oct413023435
9155644282
1070002461
1136572981
121b53a825
131166c999
14942315b
15622b70b
hex42c271d

70002461 has 2 divisors, whose sum is σ = 70002462. Its totient is φ = 70002460.

The previous prime is 70002421. The next prime is 70002463. The reversal of 70002461 is 16420007.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40081561 + 29920900 = 6331^2 + 5470^2 .

It is an emirp because it is prime and its reverse (16420007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70002461 - 26 = 70002397 is a prime.

It is a Sophie Germain prime.

Together with 70002463, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70002463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35001230 + 35001231.

It is an arithmetic number, because the mean of its divisors is an integer number (35001231).

Almost surely, 270002461 is an apocalyptic number.

It is an amenable number.

70002461 is a deficient number, since it is larger than the sum of its proper divisors (1).

70002461 is an equidigital number, since it uses as much as digits as its factorization.

70002461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 70002461 is about 8366.7473369285. The cubic root of 70002461 is about 412.1333596781.

Adding to 70002461 its reverse (16420007), we get a palindrome (86422468).

The spelling of 70002461 in words is "seventy million, two thousand, four hundred sixty-one".