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70580369 is a prime number
BaseRepresentation
bin1000011010011…
…11100010010001
311220210212001202
410031033202101
5121032032434
611000440545
71514631446
oct415174221
9156725052
1070580369
1136928092
121b779155
1311812a42
1495339cd
1562e2a7e
hex434f891

70580369 has 2 divisors, whose sum is σ = 70580370. Its totient is φ = 70580368.

The previous prime is 70580359. The next prime is 70580381. The reversal of 70580369 is 96308507.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62599744 + 7980625 = 7912^2 + 2825^2 .

It is a cyclic number.

It is not a de Polignac number, because 70580369 - 212 = 70576273 is a prime.

It is a super-2 number, since 2×705803692 = 9963176976352322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (70580359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35290184 + 35290185.

It is an arithmetic number, because the mean of its divisors is an integer number (35290185).

Almost surely, 270580369 is an apocalyptic number.

It is an amenable number.

70580369 is a deficient number, since it is larger than the sum of its proper divisors (1).

70580369 is an equidigital number, since it uses as much as digits as its factorization.

70580369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 70580369 is about 8401.2123529881. The cubic root of 70580369 is about 413.2643805518.

The spelling of 70580369 in words is "seventy million, five hundred eighty thousand, three hundred sixty-nine".