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70245937 is a prime number
BaseRepresentation
bin1000010111111…
…01111000110001
311220011212022101
410023331320301
5120440332222
610545340401
71512036436
oct413757061
9156155271
1070245937
11367198a3
121b637701
1311726758
149487b8d
156278927
hex42fde31

70245937 has 2 divisors, whose sum is σ = 70245938. Its totient is φ = 70245936.

The previous prime is 70245899. The next prime is 70245947. The reversal of 70245937 is 73954207.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37994896 + 32251041 = 6164^2 + 5679^2 .

It is a cyclic number.

It is not a de Polignac number, because 70245937 - 27 = 70245809 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70245896 and 70245905.

It is not a weakly prime, because it can be changed into another prime (70245947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35122968 + 35122969.

It is an arithmetic number, because the mean of its divisors is an integer number (35122969).

Almost surely, 270245937 is an apocalyptic number.

It is an amenable number.

70245937 is a deficient number, since it is larger than the sum of its proper divisors (1).

70245937 is an equidigital number, since it uses as much as digits as its factorization.

70245937 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 37.

The square root of 70245937 is about 8381.2849253560. The cubic root of 70245937 is about 412.6106213265.

The spelling of 70245937 in words is "seventy million, two hundred forty-five thousand, nine hundred thirty-seven".