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70379251 is a prime number
BaseRepresentation
bin1000011000111…
…10011011110011
311220102122011221
410030132123303
5121004114001
610552245511
71513133215
oct414363363
9156378157
1070379251
11367aaa78
121b6a0897
1311772337
1494c05b5
1562a31a1
hex431e6f3

70379251 has 2 divisors, whose sum is σ = 70379252. Its totient is φ = 70379250.

The previous prime is 70379237. The next prime is 70379263. The reversal of 70379251 is 15297307.

It is a strong prime.

It is an emirp because it is prime and its reverse (15297307) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 70379251 - 25 = 70379219 is a prime.

It is not a weakly prime, because it can be changed into another prime (70374251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35189625 + 35189626.

It is an arithmetic number, because the mean of its divisors is an integer number (35189626).

Almost surely, 270379251 is an apocalyptic number.

70379251 is a deficient number, since it is larger than the sum of its proper divisors (1).

70379251 is an equidigital number, since it uses as much as digits as its factorization.

70379251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13230, while the sum is 34.

The square root of 70379251 is about 8389.2342320381. The cubic root of 70379251 is about 412.8714763251.

The spelling of 70379251 in words is "seventy million, three hundred seventy-nine thousand, two hundred fifty-one".