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70449061 is a prime number
BaseRepresentation
bin1000011001011…
…11011110100101
311220120011221111
410030233132211
5121013332221
610553545021
71513543564
oct414573645
9156504844
1070449061
1136848471
121b715171
1311798047
1494dbbdb
1562b8be1
hex432f7a5

70449061 has 2 divisors, whose sum is σ = 70449062. Its totient is φ = 70449060.

The previous prime is 70449011. The next prime is 70449079. The reversal of 70449061 is 16094407.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57532225 + 12916836 = 7585^2 + 3594^2 .

It is a cyclic number.

It is not a de Polignac number, because 70449061 - 219 = 69924773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70449011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35224530 + 35224531.

It is an arithmetic number, because the mean of its divisors is an integer number (35224531).

Almost surely, 270449061 is an apocalyptic number.

It is an amenable number.

70449061 is a deficient number, since it is larger than the sum of its proper divisors (1).

70449061 is an equidigital number, since it uses as much as digits as its factorization.

70449061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 70449061 is about 8393.3938904355. The cubic root of 70449061 is about 413.0079418922.

The spelling of 70449061 in words is "seventy million, four hundred forty-nine thousand, sixty-one".