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70612049 is a prime number
BaseRepresentation
bin1000011010101…
…11010001010001
311220212110112002
410031113101101
5121034041144
611001243345
71515123014
oct415272121
9156773462
1070612049
1136949972
121b793555
13118242a1
14954137b
1562ec14e
hex4357451

70612049 has 2 divisors, whose sum is σ = 70612050. Its totient is φ = 70612048.

The previous prime is 70612027. The next prime is 70612051. The reversal of 70612049 is 94021607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67486225 + 3125824 = 8215^2 + 1768^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-70612049 is a prime.

It is a super-2 number, since 2×706120492 = 9972122927956802, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 70612051, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (70612349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35306024 + 35306025.

It is an arithmetic number, because the mean of its divisors is an integer number (35306025).

Almost surely, 270612049 is an apocalyptic number.

It is an amenable number.

70612049 is a deficient number, since it is larger than the sum of its proper divisors (1).

70612049 is an equidigital number, since it uses as much as digits as its factorization.

70612049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 70612049 is about 8403.0975836295. The cubic root of 70612049 is about 413.3262025449.

The spelling of 70612049 in words is "seventy million, six hundred twelve thousand, forty-nine".